27721890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 83566080

約数和(自身を除く): 55844190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 79, 90, 105, 126, 158, 210, 237, 315, 395, 474, 553, 557, 630, 711, 790, 1106, 1114, 1185, 1422, 1659, 1671, 2370, 2765, 2785, 3318, 3342, 3555, 3899, 4977, 5013, 5530, 5570, 7110, 7798, 8295, 8355, 9954, 10026, 11697, 16590, 16710, 19495, 23394, 24885, 25065, 35091, 38990, 44003, 49770, 50130, 58485, 70182, 88006, 116970, 132009, 175455, 220015, 264018, 308021, 350910, 396027, 440030, 616042, 660045, 792054, 924063, 1320090, 1540105, 1848126, 1980135, 2772189, 3080210, 3960270, 4620315, 5544378, 9240630, 13860945, 27721890]

約数ペア:

[(1, 27721890), (2, 13860945), (3, 9240630), (5, 5544378), (6, 4620315), (7, 3960270), (9, 3080210), (10, 2772189), (14, 1980135), (15, 1848126), (18, 1540105), (21, 1320090), (30, 924063), (35, 792054), (42, 660045), (45, 616042), (63, 440030), (70, 396027), (79, 350910), (90, 308021), (105, 264018), (126, 220015), (158, 175455), (210, 132009), (237, 116970), (315, 88006), (395, 70182), (474, 58485), (553, 50130), (557, 49770), (630, 44003), (711, 38990), (790, 35091), (1106, 25065), (1114, 24885), (1185, 23394), (1422, 19495), (1659, 16710), (1671, 16590), (2370, 11697), (2765, 10026), (2785, 9954), (3318, 8355), (3342, 8295), (3555, 7798), (3899, 7110), (4977, 5570), (5013, 5530)]