161197920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 605404800

約数和(自身を除く): 444206880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 79, 80, 90, 96, 104, 109, 117, 120, 130, 144, 156, 158, 160, 180, 195, 208, 218, 234, 237, 240, 260, 288, 312, 316, 327, 360, 390, 395, 416, 436, 468, 474, 480, 520, 545, 585, 624, 632, 654, 711, 720, 780, 790, 872, 936, 948, 981, 1027, 1040, 1090, 1170, 1185, 1248, 1264, 1308, 1417, 1422, 1440, 1560, 1580, 1635, 1744, 1872, 1896, 1962, 2054, 2080, 2180, 2340, 2370, 2528, 2616, 2834, 2844, 3081, 3120, 3160, 3270, 3488, 3555, 3744, 3792, 3924, 4108, 4251, 4360, 4680, 4740, 4905, 5135, 5232, 5668, 5688, 6162, 6240, 6320, 6540, 7085, 7110, 7584, 7848, 8216, 8502, 8611, 8720, 9243, 9360, 9480, 9810, 10270, 10464, 11336, 11376, 12324, 12640, 12753, 13080, 14170, 14220, 15405, 15696, 16432, 17004, 17222, 17440, 18486, 18720, 18960, 19620, 20540, 21255, 22672, 22752, 24648, 25506, 25833, 26160, 28340, 28440, 30810, 31392, 32864, 34008, 34444, 36972, 37920, 39240, 41080, 42510, 43055, 45344, 46215, 49296, 51012, 51666, 52320, 56680, 56880, 61620, 63765, 68016, 68888, 73944, 77499, 78480, 82160, 85020, 86110, 92430, 98592, 102024, 103332, 111943, 113360, 113760, 123240, 127530, 129165, 136032, 137776, 147888, 154998, 156960, 164320, 170040, 172220, 184860, 204048, 206664, 223886, 226720, 246480, 255060, 258330, 275552, 295776, 309996, 335829, 340080, 344440, 369720, 387495, 408096, 413328, 447772, 492960, 510120, 516660, 559715, 619992, 671658, 680160, 688880, 739440, 774990, 826656, 895544, 1007487, 1020240, 1033320, 1119430, 1239984, 1343316, 1377760, 1478880, 1549980, 1679145, 1791088, 2014974, 2040480, 2066640, 2238860, 2479968, 2686632, 3099960, 3358290, 3582176, 4029948, 4133280, 4477720, 5037435, 5373264, 6199920, 6716580, 8059896, 8955440, 10074870, 10746528, 12399840, 13433160, 16119792, 17910880, 20149740, 26866320, 32239584, 40299480, 53732640, 80598960, 161197920]

約数ペア:

[(1, 161197920), (2, 80598960), (3, 53732640), (4, 40299480), (5, 32239584), (6, 26866320), (8, 20149740), (9, 17910880), (10, 16119792), (12, 13433160), (13, 12399840), (15, 10746528), (16, 10074870), (18, 8955440), (20, 8059896), (24, 6716580), (26, 6199920), (30, 5373264), (32, 5037435), (36, 4477720), (39, 4133280), (40, 4029948), (45, 3582176), (48, 3358290), (52, 3099960), (60, 2686632), (65, 2479968), (72, 2238860), (78, 2066640), (79, 2040480), (80, 2014974), (90, 1791088), (96, 1679145), (104, 1549980), (109, 1478880), (117, 1377760), (120, 1343316), (130, 1239984), (144, 1119430), (156, 1033320), (158, 1020240), (160, 1007487), (180, 895544), (195, 826656), (208, 774990), (218, 739440), (234, 688880), (237, 680160), (240, 671658), (260, 619992), (288, 559715), (312, 516660), (316, 510120), (327, 492960), (360, 447772), (390, 413328), (395, 408096), (416, 387495), (436, 369720), (468, 344440), (474, 340080), (480, 335829), (520, 309996), (545, 295776), (585, 275552), (624, 258330), (632, 255060), (654, 246480), (711, 226720), (720, 223886), (780, 206664), (790, 204048), (872, 184860), (936, 172220), (948, 170040), (981, 164320), (1027, 156960), (1040, 154998), (1090, 147888), (1170, 137776), (1185, 136032), (1248, 129165), (1264, 127530), (1308, 123240), (1417, 113760), (1422, 113360), (1440, 111943), (1560, 103332), (1580, 102024), (1635, 98592), (1744, 92430), (1872, 86110), (1896, 85020), (1962, 82160), (2054, 78480), (2080, 77499), (2180, 73944), (2340, 68888), (2370, 68016), (2528, 63765), (2616, 61620), (2834, 56880), (2844, 56680), (3081, 52320), (3120, 51666), (3160, 51012), (3270, 49296), (3488, 46215), (3555, 45344), (3744, 43055), (3792, 42510), (3924, 41080), (4108, 39240), (4251, 37920), (4360, 36972), (4680, 34444), (4740, 34008), (4905, 32864), (5135, 31392), (5232, 30810), (5668, 28440), (5688, 28340), (6162, 26160), (6240, 25833), (6320, 25506), (6540, 24648), (7085, 22752), (7110, 22672), (7584, 21255), (7848, 20540), (8216, 19620), (8502, 18960), (8611, 18720), (8720, 18486), (9243, 17440), (9360, 17222), (9480, 17004), (9810, 16432), (10270, 15696), (10464, 15405), (11336, 14220), (11376, 14170), (12324, 13080), (12640, 12753)]