81440100

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 288

約数和(自身を含む): 311091200

約数和(自身を除く): 229651100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 31, 35, 36, 42, 45, 50, 54, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 108, 124, 126, 135, 139, 140, 150, 155, 175, 180, 186, 189, 210, 217, 225, 252, 270, 278, 279, 300, 310, 315, 350, 372, 378, 417, 420, 434, 450, 465, 525, 540, 556, 558, 620, 630, 651, 675, 695, 700, 756, 775, 834, 837, 868, 900, 930, 945, 973, 1050, 1085, 1116, 1251, 1260, 1302, 1350, 1390, 1395, 1550, 1575, 1668, 1674, 1860, 1890, 1946, 1953, 2085, 2100, 2170, 2325, 2502, 2604, 2700, 2780, 2790, 2919, 3100, 3150, 3255, 3348, 3475, 3753, 3780, 3892, 3906, 4170, 4185, 4309, 4340, 4650, 4725, 4865, 5004, 5425, 5580, 5838, 5859, 6255, 6300, 6510, 6950, 6975, 7506, 7812, 8340, 8370, 8618, 8757, 9300, 9450, 9730, 9765, 10425, 10850, 11676, 11718, 12510, 12927, 13020, 13900, 13950, 14595, 15012, 16275, 16740, 17236, 17514, 18765, 18900, 19460, 19530, 20850, 20925, 21545, 21700, 23436, 24325, 25020, 25854, 26271, 27900, 29190, 29295, 30163, 31275, 32550, 35028, 37530, 38781, 39060, 41700, 41850, 43090, 43785, 48650, 48825, 51708, 52542, 58380, 58590, 60326, 62550, 64635, 65100, 72975, 75060, 77562, 83700, 86180, 87570, 90489, 93825, 97300, 97650, 105084, 107725, 116343, 117180, 120652, 125100, 129270, 131355, 145950, 146475, 150815, 155124, 175140, 180978, 187650, 193905, 195300, 215450, 218925, 232686, 258540, 262710, 271467, 291900, 292950, 301630, 323175, 361956, 375300, 387810, 430900, 437850, 452445, 465372, 525420, 542934, 581715, 585900, 603260, 646350, 656775, 754075, 775620, 814401, 875700, 904890, 969525, 1085868, 1163430, 1292700, 1313550, 1357335, 1508150, 1628802, 1809780, 1939050, 2262225, 2326860, 2627100, 2714670, 2908575, 3016300, 3257604, 3878100, 4072005, 4524450, 5429340, 5817150, 6786675, 8144010, 9048900, 11634300, 13573350, 16288020, 20360025, 27146700, 40720050, 81440100]

約数ペア:

[(1, 81440100), (2, 40720050), (3, 27146700), (4, 20360025), (5, 16288020), (6, 13573350), (7, 11634300), (9, 9048900), (10, 8144010), (12, 6786675), (14, 5817150), (15, 5429340), (18, 4524450), (20, 4072005), (21, 3878100), (25, 3257604), (27, 3016300), (28, 2908575), (30, 2714670), (31, 2627100), (35, 2326860), (36, 2262225), (42, 1939050), (45, 1809780), (50, 1628802), (54, 1508150), (60, 1357335), (62, 1313550), (63, 1292700), (70, 1163430), (75, 1085868), (84, 969525), (90, 904890), (93, 875700), (100, 814401), (105, 775620), (108, 754075), (124, 656775), (126, 646350), (135, 603260), (139, 585900), (140, 581715), (150, 542934), (155, 525420), (175, 465372), (180, 452445), (186, 437850), (189, 430900), (210, 387810), (217, 375300), (225, 361956), (252, 323175), (270, 301630), (278, 292950), (279, 291900), (300, 271467), (310, 262710), (315, 258540), (350, 232686), (372, 218925), (378, 215450), (417, 195300), (420, 193905), (434, 187650), (450, 180978), (465, 175140), (525, 155124), (540, 150815), (556, 146475), (558, 145950), (620, 131355), (630, 129270), (651, 125100), (675, 120652), (695, 117180), (700, 116343), (756, 107725), (775, 105084), (834, 97650), (837, 97300), (868, 93825), (900, 90489), (930, 87570), (945, 86180), (973, 83700), (1050, 77562), (1085, 75060), (1116, 72975), (1251, 65100), (1260, 64635), (1302, 62550), (1350, 60326), (1390, 58590), (1395, 58380), (1550, 52542), (1575, 51708), (1668, 48825), (1674, 48650), (1860, 43785), (1890, 43090), (1946, 41850), (1953, 41700), (2085, 39060), (2100, 38781), (2170, 37530), (2325, 35028), (2502, 32550), (2604, 31275), (2700, 30163), (2780, 29295), (2790, 29190), (2919, 27900), (3100, 26271), (3150, 25854), (3255, 25020), (3348, 24325), (3475, 23436), (3753, 21700), (3780, 21545), (3892, 20925), (3906, 20850), (4170, 19530), (4185, 19460), (4309, 18900), (4340, 18765), (4650, 17514), (4725, 17236), (4865, 16740), (5004, 16275), (5425, 15012), (5580, 14595), (5838, 13950), (5859, 13900), (6255, 13020), (6300, 12927), (6510, 12510), (6950, 11718), (6975, 11676), (7506, 10850), (7812, 10425), (8340, 9765), (8370, 9730), (8618, 9450), (8757, 9300)]