172890640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4493}}^1$

素因数の和:4556

約数の個数: 80

約数和(自身を含む): 444690288

約数和(自身を除く): 271799648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4493, 4810, 7696, 8986, 9620, 17972, 19240, 22465, 35944, 38480, 44930, 58409, 71888, 89860, 116818, 166241, 179720, 233636, 292045, 332482, 359440, 467272, 584090, 664964, 831205, 934544, 1168180, 1329928, 1662410, 2161133, 2336360, 2659856, 3324820, 4322266, 4672720, 6649640, 8644532, 10805665, 13299280, 17289064, 21611330, 34578128, 43222660, 86445320, 172890640]

約数ペア:

[(1, 172890640), (2, 86445320), (4, 43222660), (5, 34578128), (8, 21611330), (10, 17289064), (13, 13299280), (16, 10805665), (20, 8644532), (26, 6649640), (37, 4672720), (40, 4322266), (52, 3324820), (65, 2659856), (74, 2336360), (80, 2161133), (104, 1662410), (130, 1329928), (148, 1168180), (185, 934544), (208, 831205), (260, 664964), (296, 584090), (370, 467272), (481, 359440), (520, 332482), (592, 292045), (740, 233636), (962, 179720), (1040, 166241), (1480, 116818), (1924, 89860), (2405, 71888), (2960, 58409), (3848, 44930), (4493, 38480), (4810, 35944), (7696, 22465), (8986, 19240), (9620, 17972)]