2671980440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{91381}}^1$

素因数の和:91452

約数の個数: 64

約数和(自身を含む): 6513708960

約数和(自身を除く): 3841728520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7310, 14620, 29240, 91381, 182762, 365524, 456905, 731048, 913810, 1553477, 1827620, 3106954, 3655240, 3929383, 6213908, 7767385, 7858766, 12427816, 15534770, 15717532, 19646915, 31069540, 31435064, 39293830, 62139080, 66799511, 78587660, 133599022, 157175320, 267198044, 333997555, 534396088, 667995110, 1335990220, 2671980440]

約数ペア:

[(1, 2671980440), (2, 1335990220), (4, 667995110), (5, 534396088), (8, 333997555), (10, 267198044), (17, 157175320), (20, 133599022), (34, 78587660), (40, 66799511), (43, 62139080), (68, 39293830), (85, 31435064), (86, 31069540), (136, 19646915), (170, 15717532), (172, 15534770), (215, 12427816), (340, 7858766), (344, 7767385), (430, 6213908), (680, 3929383), (731, 3655240), (860, 3106954), (1462, 1827620), (1720, 1553477), (2924, 913810), (3655, 731048), (5848, 456905), (7310, 365524), (14620, 182762), (29240, 91381)]