20157307800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:775

約数の個数: 384

約数和(自身を含む): 73538150400

約数和(自身を除く): 53380842600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 43, 50, 56, 60, 70, 75, 84, 86, 100, 105, 120, 129, 140, 150, 168, 172, 175, 200, 210, 215, 239, 258, 280, 300, 301, 344, 350, 420, 430, 467, 478, 516, 525, 600, 602, 645, 700, 717, 840, 860, 903, 934, 956, 1032, 1050, 1075, 1195, 1204, 1290, 1400, 1401, 1434, 1505, 1673, 1720, 1806, 1868, 1912, 2100, 2150, 2335, 2390, 2408, 2580, 2802, 2868, 3010, 3225, 3269, 3346, 3585, 3612, 3736, 4200, 4300, 4515, 4670, 4780, 5019, 5160, 5604, 5736, 5975, 6020, 6450, 6538, 6692, 7005, 7170, 7224, 7525, 8365, 8600, 9030, 9340, 9560, 9807, 10038, 10277, 11208, 11675, 11950, 12040, 12900, 13076, 13384, 14010, 14340, 15050, 16345, 16730, 17925, 18060, 18680, 19614, 20076, 20081, 20554, 22575, 23350, 23900, 25095, 25800, 26152, 28020, 28680, 30100, 30831, 32690, 33460, 35025, 35850, 36120, 39228, 40152, 40162, 41108, 41825, 45150, 46700, 47800, 49035, 50190, 51385, 56040, 60200, 60243, 61662, 65380, 66920, 70050, 71700, 71939, 78456, 80324, 81725, 82216, 83650, 90300, 93400, 98070, 100380, 100405, 102770, 111613, 120486, 123324, 125475, 130760, 140100, 140567, 143400, 143878, 154155, 160648, 163450, 167300, 180600, 196140, 200760, 200810, 205540, 215817, 223226, 240972, 245175, 246648, 250950, 256925, 280200, 281134, 287756, 301215, 308310, 326900, 334600, 334839, 359695, 392280, 401620, 411080, 421701, 431634, 446452, 481944, 490350, 501900, 502025, 513850, 558065, 562268, 575512, 602430, 616620, 653800, 669678, 702835, 719390, 770775, 781291, 803240, 843402, 863268, 892904, 980700, 1003800, 1004050, 1027700, 1079085, 1116130, 1124536, 1204860, 1233240, 1339356, 1405670, 1438780, 1506075, 1541550, 1562582, 1674195, 1686804, 1726536, 1798475, 1961400, 2008100, 2055400, 2108505, 2158170, 2232260, 2343873, 2409720, 2678712, 2790325, 2811340, 2877560, 3012150, 3083100, 3125164, 3348390, 3373608, 3514175, 3596950, 3906455, 4016200, 4217010, 4316340, 4464520, 4687746, 4799359, 5395425, 5580650, 5622680, 6024300, 6166200, 6250328, 6696780, 7028350, 7193900, 7812910, 8370975, 8434020, 8632680, 9375492, 9598718, 10542525, 10790850, 11161300, 11719365, 12048600, 13393560, 14056700, 14387800, 14398077, 15625820, 16741950, 16868040, 18750984, 19197436, 19532275, 21085050, 21581700, 22322600, 23438730, 23996795, 28113400, 28796154, 31251640, 33483900, 33595513, 38394872, 39064550, 42170100, 43163400, 46877460, 47993590, 57592308, 58596825, 66967800, 67191026, 71990385, 78129100, 84340200, 93754920, 95987180, 100786539, 115184616, 117193650, 119983975, 134382052, 143980770, 156258200, 167977565, 191974360, 201573078, 234387300, 239967950, 268764104, 287961540, 335955130, 359951925, 403146156, 468774600, 479935900, 503932695, 575923080, 671910260, 719903850, 806292312, 839887825, 959871800, 1007865390, 1343820520, 1439807700, 1679775650, 2015730780, 2519663475, 2879615400, 3359551300, 4031461560, 5039326950, 6719102600, 10078653900, 20157307800]

約数ペア:

[(1, 20157307800), (2, 10078653900), (3, 6719102600), (4, 5039326950), (5, 4031461560), (6, 3359551300), (7, 2879615400), (8, 2519663475), (10, 2015730780), (12, 1679775650), (14, 1439807700), (15, 1343820520), (20, 1007865390), (21, 959871800), (24, 839887825), (25, 806292312), (28, 719903850), (30, 671910260), (35, 575923080), (40, 503932695), (42, 479935900), (43, 468774600), (50, 403146156), (56, 359951925), (60, 335955130), (70, 287961540), (75, 268764104), (84, 239967950), (86, 234387300), (100, 201573078), (105, 191974360), (120, 167977565), (129, 156258200), (140, 143980770), (150, 134382052), (168, 119983975), (172, 117193650), (175, 115184616), (200, 100786539), (210, 95987180), (215, 93754920), (239, 84340200), (258, 78129100), (280, 71990385), (300, 67191026), (301, 66967800), (344, 58596825), (350, 57592308), (420, 47993590), (430, 46877460), (467, 43163400), (478, 42170100), (516, 39064550), (525, 38394872), (600, 33595513), (602, 33483900), (645, 31251640), (700, 28796154), (717, 28113400), (840, 23996795), (860, 23438730), (903, 22322600), (934, 21581700), (956, 21085050), (1032, 19532275), (1050, 19197436), (1075, 18750984), (1195, 16868040), (1204, 16741950), (1290, 15625820), (1400, 14398077), (1401, 14387800), (1434, 14056700), (1505, 13393560), (1673, 12048600), (1720, 11719365), (1806, 11161300), (1868, 10790850), (1912, 10542525), (2100, 9598718), (2150, 9375492), (2335, 8632680), (2390, 8434020), (2408, 8370975), (2580, 7812910), (2802, 7193900), (2868, 7028350), (3010, 6696780), (3225, 6250328), (3269, 6166200), (3346, 6024300), (3585, 5622680), (3612, 5580650), (3736, 5395425), (4200, 4799359), (4300, 4687746), (4515, 4464520), (4670, 4316340), (4780, 4217010), (5019, 4016200), (5160, 3906455), (5604, 3596950), (5736, 3514175), (5975, 3373608), (6020, 3348390), (6450, 3125164), (6538, 3083100), (6692, 3012150), (7005, 2877560), (7170, 2811340), (7224, 2790325), (7525, 2678712), (8365, 2409720), (8600, 2343873), (9030, 2232260), (9340, 2158170), (9560, 2108505), (9807, 2055400), (10038, 2008100), (10277, 1961400), (11208, 1798475), (11675, 1726536), (11950, 1686804), (12040, 1674195), (12900, 1562582), (13076, 1541550), (13384, 1506075), (14010, 1438780), (14340, 1405670), (15050, 1339356), (16345, 1233240), (16730, 1204860), (17925, 1124536), (18060, 1116130), (18680, 1079085), (19614, 1027700), (20076, 1004050), (20081, 1003800), (20554, 980700), (22575, 892904), (23350, 863268), (23900, 843402), (25095, 803240), (25800, 781291), (26152, 770775), (28020, 719390), (28680, 702835), (30100, 669678), (30831, 653800), (32690, 616620), (33460, 602430), (35025, 575512), (35850, 562268), (36120, 558065), (39228, 513850), (40152, 502025), (40162, 501900), (41108, 490350), (41825, 481944), (45150, 446452), (46700, 431634), (47800, 421701), (49035, 411080), (50190, 401620), (51385, 392280), (56040, 359695), (60200, 334839), (60243, 334600), (61662, 326900), (65380, 308310), (66920, 301215), (70050, 287756), (71700, 281134), (71939, 280200), (78456, 256925), (80324, 250950), (81725, 246648), (82216, 245175), (83650, 240972), (90300, 223226), (93400, 215817), (98070, 205540), (100380, 200810), (100405, 200760), (102770, 196140), (111613, 180600), (120486, 167300), (123324, 163450), (125475, 160648), (130760, 154155), (140100, 143878), (140567, 143400)]