66680040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:671

約数の個数: 128

約数和(自身を含む): 230492160

約数和(自身を除く): 163812120

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, 163, 168, 210, 280, 326, 420, 487, 489, 652, 815, 840, 974, 978, 1141, 1304, 1461, 1630, 1948, 1956, 2282, 2435, 2445, 2922, 3260, 3409, 3423, 3896, 3912, 4564, 4870, 4890, 5705, 5844, 6520, 6818, 6846, 7305, 9128, 9740, 9780, 10227, 11410, 11688, 13636, 13692, 14610, 17045, 17115, 19480, 19560, 20454, 22820, 27272, 27384, 29220, 34090, 34230, 40908, 45640, 51135, 58440, 68180, 68460, 79381, 81816, 102270, 136360, 136920, 158762, 204540, 238143, 317524, 396905, 409080, 476286, 555667, 635048, 793810, 952572, 1111334, 1190715, 1587620, 1667001, 1905144, 2222668, 2381430, 2778335, 3175240, 3334002, 4445336, 4762860, 5556670, 6668004, 8335005, 9525720, 11113340, 13336008, 16670010, 22226680, 33340020, 66680040]

約数ペア:

[(1, 66680040), (2, 33340020), (3, 22226680), (4, 16670010), (5, 13336008), (6, 11113340), (7, 9525720), (8, 8335005), (10, 6668004), (12, 5556670), (14, 4762860), (15, 4445336), (20, 3334002), (21, 3175240), (24, 2778335), (28, 2381430), (30, 2222668), (35, 1905144), (40, 1667001), (42, 1587620), (56, 1190715), (60, 1111334), (70, 952572), (84, 793810), (105, 635048), (120, 555667), (140, 476286), (163, 409080), (168, 396905), (210, 317524), (280, 238143), (326, 204540), (420, 158762), (487, 136920), (489, 136360), (652, 102270), (815, 81816), (840, 79381), (974, 68460), (978, 68180), (1141, 58440), (1304, 51135), (1461, 45640), (1630, 40908), (1948, 34230), (1956, 34090), (2282, 29220), (2435, 27384), (2445, 27272), (2922, 22820), (3260, 20454), (3409, 19560), (3423, 19480), (3896, 17115), (3912, 17045), (4564, 14610), (4870, 13692), (4890, 13636), (5705, 11688), (5844, 11410), (6520, 10227), (6818, 9780), (6846, 9740), (7305, 9128)]