31495380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 108380160

約数和(自身を除く): 76884780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 41, 42, 59, 60, 62, 70, 82, 84, 93, 105, 118, 123, 124, 140, 155, 164, 177, 186, 205, 210, 217, 236, 246, 287, 295, 310, 354, 372, 410, 413, 420, 434, 465, 492, 574, 590, 615, 620, 651, 708, 820, 826, 861, 868, 885, 930, 1085, 1148, 1180, 1230, 1239, 1271, 1302, 1435, 1652, 1722, 1770, 1829, 1860, 2065, 2170, 2419, 2460, 2478, 2542, 2604, 2870, 3255, 3444, 3540, 3658, 3813, 4130, 4305, 4340, 4838, 4956, 5084, 5487, 5740, 6195, 6355, 6510, 7257, 7316, 7626, 8260, 8610, 8897, 9145, 9676, 10974, 12095, 12390, 12710, 12803, 13020, 14514, 15252, 16933, 17220, 17794, 18290, 19065, 21948, 24190, 24780, 25420, 25606, 26691, 27435, 29028, 33866, 35588, 36285, 36580, 38130, 38409, 44485, 48380, 50799, 51212, 53382, 54870, 64015, 67732, 72570, 74989, 76260, 76818, 84665, 88970, 101598, 106764, 109740, 128030, 133455, 145140, 149978, 153636, 169330, 177940, 192045, 203196, 224967, 253995, 256060, 266910, 299956, 338660, 374945, 384090, 449934, 507990, 524923, 533820, 749890, 768180, 899868, 1015980, 1049846, 1124835, 1499780, 1574769, 2099692, 2249670, 2624615, 3149538, 4499340, 5249230, 6299076, 7873845, 10498460, 15747690, 31495380]

約数ペア:

[(1, 31495380), (2, 15747690), (3, 10498460), (4, 7873845), (5, 6299076), (6, 5249230), (7, 4499340), (10, 3149538), (12, 2624615), (14, 2249670), (15, 2099692), (20, 1574769), (21, 1499780), (28, 1124835), (30, 1049846), (31, 1015980), (35, 899868), (41, 768180), (42, 749890), (59, 533820), (60, 524923), (62, 507990), (70, 449934), (82, 384090), (84, 374945), (93, 338660), (105, 299956), (118, 266910), (123, 256060), (124, 253995), (140, 224967), (155, 203196), (164, 192045), (177, 177940), (186, 169330), (205, 153636), (210, 149978), (217, 145140), (236, 133455), (246, 128030), (287, 109740), (295, 106764), (310, 101598), (354, 88970), (372, 84665), (410, 76818), (413, 76260), (420, 74989), (434, 72570), (465, 67732), (492, 64015), (574, 54870), (590, 53382), (615, 51212), (620, 50799), (651, 48380), (708, 44485), (820, 38409), (826, 38130), (861, 36580), (868, 36285), (885, 35588), (930, 33866), (1085, 29028), (1148, 27435), (1180, 26691), (1230, 25606), (1239, 25420), (1271, 24780), (1302, 24190), (1435, 21948), (1652, 19065), (1722, 18290), (1770, 17794), (1829, 17220), (1860, 16933), (2065, 15252), (2170, 14514), (2419, 13020), (2460, 12803), (2478, 12710), (2542, 12390), (2604, 12095), (2870, 10974), (3255, 9676), (3444, 9145), (3540, 8897), (3658, 8610), (3813, 8260), (4130, 7626), (4305, 7316), (4340, 7257), (4838, 6510), (4956, 6355), (5084, 6195), (5487, 5740)]