164288040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195581}}^1$

素因数の和:195602

約数の個数: 64

約数和(自身を含む): 563276160

約数和(自身を除く): 398988120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 195581, 391162, 586743, 782324, 977905, 1173486, 1369067, 1564648, 1955810, 2346972, 2738134, 2933715, 3911620, 4107201, 4693944, 5476268, 5867430, 6845335, 7823240, 8214402, 10952536, 11734860, 13690670, 16428804, 20536005, 23469720, 27381340, 32857608, 41072010, 54762680, 82144020, 164288040]

約数ペア:

[(1, 164288040), (2, 82144020), (3, 54762680), (4, 41072010), (5, 32857608), (6, 27381340), (7, 23469720), (8, 20536005), (10, 16428804), (12, 13690670), (14, 11734860), (15, 10952536), (20, 8214402), (21, 7823240), (24, 6845335), (28, 5867430), (30, 5476268), (35, 4693944), (40, 4107201), (42, 3911620), (56, 2933715), (60, 2738134), (70, 2346972), (84, 1955810), (105, 1564648), (120, 1369067), (140, 1173486), (168, 977905), (210, 782324), (280, 586743), (420, 391162), (840, 195581)]