120973840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 304699248

約数和(自身を除く): 183725408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 293, 397, 520, 586, 794, 1040, 1172, 1465, 1588, 1985, 2344, 2930, 3176, 3809, 3970, 4688, 5161, 5860, 6352, 7618, 7940, 10322, 11720, 15236, 15880, 19045, 20644, 23440, 25805, 30472, 31760, 38090, 41288, 51610, 60944, 76180, 82576, 103220, 116321, 152360, 206440, 232642, 304720, 412880, 465284, 581605, 930568, 1163210, 1512173, 1861136, 2326420, 3024346, 4652840, 6048692, 7560865, 9305680, 12097384, 15121730, 24194768, 30243460, 60486920, 120973840]

約数ペア:

[(1, 120973840), (2, 60486920), (4, 30243460), (5, 24194768), (8, 15121730), (10, 12097384), (13, 9305680), (16, 7560865), (20, 6048692), (26, 4652840), (40, 3024346), (52, 2326420), (65, 1861136), (80, 1512173), (104, 1163210), (130, 930568), (208, 581605), (260, 465284), (293, 412880), (397, 304720), (520, 232642), (586, 206440), (794, 152360), (1040, 116321), (1172, 103220), (1465, 82576), (1588, 76180), (1985, 60944), (2344, 51610), (2930, 41288), (3176, 38090), (3809, 31760), (3970, 30472), (4688, 25805), (5161, 23440), (5860, 20644), (6352, 19045), (7618, 15880), (7940, 15236), (10322, 11720)]