1639404840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{172933}}^1$

素因数の和:173026

約数の個数: 64

約数和(自身を含む): 4980499200

約数和(自身を除く): 3341094360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 172933, 345866, 518799, 691732, 864665, 1037598, 1383464, 1729330, 2075196, 2593995, 3458660, 4150392, 5187990, 6917320, 10375980, 13661707, 20751960, 27323414, 40985121, 54646828, 68308535, 81970242, 109293656, 136617070, 163940484, 204925605, 273234140, 327880968, 409851210, 546468280, 819702420, 1639404840]

約数ペア:

[(1, 1639404840), (2, 819702420), (3, 546468280), (4, 409851210), (5, 327880968), (6, 273234140), (8, 204925605), (10, 163940484), (12, 136617070), (15, 109293656), (20, 81970242), (24, 68308535), (30, 54646828), (40, 40985121), (60, 27323414), (79, 20751960), (120, 13661707), (158, 10375980), (237, 6917320), (316, 5187990), (395, 4150392), (474, 3458660), (632, 2593995), (790, 2075196), (948, 1729330), (1185, 1383464), (1580, 1037598), (1896, 864665), (2370, 691732), (3160, 518799), (4740, 345866), (9480, 172933)]