765589890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{1997}}^1$

素因数の和:3003

約数の個数: 64

約数和(自身を含む): 1981760256

約数和(自身を除く): 1216170366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 983, 1966, 1997, 2949, 3994, 4915, 5898, 5991, 9830, 9985, 11982, 12779, 14745, 19970, 25558, 25961, 29490, 29955, 38337, 51922, 59910, 63895, 76674, 77883, 127790, 129805, 155766, 191685, 259610, 383370, 389415, 778830, 1963051, 3926102, 5889153, 9815255, 11778306, 19630510, 25519663, 29445765, 51039326, 58891530, 76558989, 127598315, 153117978, 255196630, 382794945, 765589890]

約数ペア:

[(1, 765589890), (2, 382794945), (3, 255196630), (5, 153117978), (6, 127598315), (10, 76558989), (13, 58891530), (15, 51039326), (26, 29445765), (30, 25519663), (39, 19630510), (65, 11778306), (78, 9815255), (130, 5889153), (195, 3926102), (390, 1963051), (983, 778830), (1966, 389415), (1997, 383370), (2949, 259610), (3994, 191685), (4915, 155766), (5898, 129805), (5991, 127790), (9830, 77883), (9985, 76674), (11982, 63895), (12779, 59910), (14745, 51922), (19970, 38337), (25558, 29955), (25961, 29490)]