644128290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{42349}}^1$

素因数の和:42388

約数の個数: 72

約数和(自身を含む): 1813511700

約数和(自身を除く): 1169383410

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 845, 1014, 1170, 1521, 1690, 2535, 3042, 5070, 7605, 15210, 42349, 84698, 127047, 211745, 254094, 381141, 423490, 550537, 635235, 762282, 1101074, 1270470, 1651611, 1905705, 2752685, 3303222, 3811410, 4954833, 5505370, 7156981, 8258055, 9909666, 14313962, 16516110, 21470943, 24774165, 35784905, 42941886, 49548330, 64412829, 71569810, 107354715, 128825658, 214709430, 322064145, 644128290]

約数ペア:

[(1, 644128290), (2, 322064145), (3, 214709430), (5, 128825658), (6, 107354715), (9, 71569810), (10, 64412829), (13, 49548330), (15, 42941886), (18, 35784905), (26, 24774165), (30, 21470943), (39, 16516110), (45, 14313962), (65, 9909666), (78, 8258055), (90, 7156981), (117, 5505370), (130, 4954833), (169, 3811410), (195, 3303222), (234, 2752685), (338, 1905705), (390, 1651611), (507, 1270470), (585, 1101074), (845, 762282), (1014, 635235), (1170, 550537), (1521, 423490), (1690, 381141), (2535, 254094), (3042, 211745), (5070, 127047), (7605, 84698), (15210, 42349)]