80861640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21737}}^1$

素因数の和:21782

約数の個数: 64

約数和(自身を含む): 250421760

約数和(自身を除く): 169560120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21737, 43474, 65211, 86948, 108685, 130422, 173896, 217370, 260844, 326055, 434740, 521688, 652110, 673847, 869480, 1304220, 1347694, 2021541, 2608440, 2695388, 3369235, 4043082, 5390776, 6738470, 8086164, 10107705, 13476940, 16172328, 20215410, 26953880, 40430820, 80861640]

約数ペア:

[(1, 80861640), (2, 40430820), (3, 26953880), (4, 20215410), (5, 16172328), (6, 13476940), (8, 10107705), (10, 8086164), (12, 6738470), (15, 5390776), (20, 4043082), (24, 3369235), (30, 2695388), (31, 2608440), (40, 2021541), (60, 1347694), (62, 1304220), (93, 869480), (120, 673847), (124, 652110), (155, 521688), (186, 434740), (248, 326055), (310, 260844), (372, 217370), (465, 173896), (620, 130422), (744, 108685), (930, 86948), (1240, 65211), (1860, 43474), (3720, 21737)]