1227720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 3971520

約数和(自身を除く): 2743800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 787, 1560, 1574, 2361, 3148, 3935, 4722, 6296, 7870, 9444, 10231, 11805, 15740, 18888, 20462, 23610, 30693, 31480, 40924, 47220, 51155, 61386, 81848, 94440, 102310, 122772, 153465, 204620, 245544, 306930, 409240, 613860, 1227720]

約数ペア:

[(1, 1227720), (2, 613860), (3, 409240), (4, 306930), (5, 245544), (6, 204620), (8, 153465), (10, 122772), (12, 102310), (13, 94440), (15, 81848), (20, 61386), (24, 51155), (26, 47220), (30, 40924), (39, 31480), (40, 30693), (52, 23610), (60, 20462), (65, 18888), (78, 15740), (104, 11805), (120, 10231), (130, 9444), (156, 7870), (195, 6296), (260, 4722), (312, 3935), (390, 3148), (520, 2361), (780, 1574), (787, 1560)]