78670720

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1583

約数の個数: 64

約数和(自身を含む): 190466640

約数和(自身を除く): 111795920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1481, 1660, 2656, 2962, 3320, 5312, 5924, 6640, 7405, 10624, 11848, 13280, 14810, 23696, 26560, 29620, 47392, 53120, 59240, 94784, 118480, 122923, 189568, 236960, 245846, 473920, 491692, 614615, 947840, 983384, 1229230, 1966768, 2458460, 3933536, 4916920, 7867072, 9833840, 15734144, 19667680, 39335360, 78670720]

約数ペア:

[(1, 78670720), (2, 39335360), (4, 19667680), (5, 15734144), (8, 9833840), (10, 7867072), (16, 4916920), (20, 3933536), (32, 2458460), (40, 1966768), (64, 1229230), (80, 983384), (83, 947840), (128, 614615), (160, 491692), (166, 473920), (320, 245846), (332, 236960), (415, 189568), (640, 122923), (664, 118480), (830, 94784), (1328, 59240), (1481, 53120), (1660, 47392), (2656, 29620), (2962, 26560), (3320, 23696), (5312, 14810), (5924, 13280), (6640, 11848), (7405, 10624)]