78378560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 204313536

約数和(自身を除く): 125934976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 130, 160, 166, 208, 227, 260, 320, 332, 415, 416, 454, 520, 664, 830, 832, 908, 1040, 1079, 1135, 1328, 1660, 1816, 2080, 2158, 2270, 2656, 2951, 3320, 3632, 4160, 4316, 4540, 5312, 5395, 5902, 6640, 7264, 8632, 9080, 10790, 11804, 13280, 14528, 14755, 17264, 18160, 18841, 21580, 23608, 26560, 29510, 34528, 36320, 37682, 43160, 47216, 59020, 69056, 72640, 75364, 86320, 94205, 94432, 118040, 150728, 172640, 188410, 188864, 236080, 244933, 301456, 345280, 376820, 472160, 489866, 602912, 753640, 944320, 979732, 1205824, 1224665, 1507280, 1959464, 2449330, 3014560, 3918928, 4898660, 6029120, 7837856, 9797320, 15675712, 19594640, 39189280, 78378560]

約数ペア:

[(1, 78378560), (2, 39189280), (4, 19594640), (5, 15675712), (8, 9797320), (10, 7837856), (13, 6029120), (16, 4898660), (20, 3918928), (26, 3014560), (32, 2449330), (40, 1959464), (52, 1507280), (64, 1224665), (65, 1205824), (80, 979732), (83, 944320), (104, 753640), (130, 602912), (160, 489866), (166, 472160), (208, 376820), (227, 345280), (260, 301456), (320, 244933), (332, 236080), (415, 188864), (416, 188410), (454, 172640), (520, 150728), (664, 118040), (830, 94432), (832, 94205), (908, 86320), (1040, 75364), (1079, 72640), (1135, 69056), (1328, 59020), (1660, 47216), (1816, 43160), (2080, 37682), (2158, 36320), (2270, 34528), (2656, 29510), (2951, 26560), (3320, 23608), (3632, 21580), (4160, 18841), (4316, 18160), (4540, 17264), (5312, 14755), (5395, 14528), (5902, 13280), (6640, 11804), (7264, 10790), (8632, 9080)]