72667010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 150885504

約数和(自身を除く): 78218494

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 131, 170, 221, 251, 262, 442, 502, 655, 1105, 1255, 1310, 1703, 2210, 2227, 2510, 3263, 3406, 4267, 4454, 6526, 8515, 8534, 11135, 16315, 17030, 21335, 22270, 28951, 32630, 32881, 42670, 55471, 57902, 65762, 110942, 144755, 164405, 277355, 289510, 328810, 427453, 554710, 558977, 854906, 1117954, 2137265, 2794885, 4274530, 5589770, 7266701, 14533402, 36333505, 72667010]

約数ペア:

[(1, 72667010), (2, 36333505), (5, 14533402), (10, 7266701), (13, 5589770), (17, 4274530), (26, 2794885), (34, 2137265), (65, 1117954), (85, 854906), (130, 558977), (131, 554710), (170, 427453), (221, 328810), (251, 289510), (262, 277355), (442, 164405), (502, 144755), (655, 110942), (1105, 65762), (1255, 57902), (1310, 55471), (1703, 42670), (2210, 32881), (2227, 32630), (2510, 28951), (3263, 22270), (3406, 21335), (4267, 17030), (4454, 16315), (6526, 11135), (8515, 8534)]