12920878180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{61487}}^1$

素因数の和:61601

約数の個数: 96

約数和(自身を含む): 33055948800

約数和(自身を除く): 20135070620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 79, 95, 133, 140, 158, 190, 266, 316, 380, 395, 532, 553, 665, 790, 1106, 1330, 1501, 1580, 2212, 2660, 2765, 3002, 5530, 6004, 7505, 10507, 11060, 15010, 21014, 30020, 42028, 52535, 61487, 105070, 122974, 210140, 245948, 307435, 430409, 614870, 860818, 1168253, 1229740, 1721636, 2152045, 2336506, 4304090, 4673012, 4857473, 5841265, 8177771, 8608180, 9714946, 11682530, 16355542, 19429892, 23365060, 24287365, 32711084, 34002311, 40888855, 48574730, 68004622, 81777710, 92291987, 97149460, 136009244, 163555420, 170011555, 184583974, 340023110, 369167948, 461459935, 646043909, 680046220, 922919870, 1292087818, 1845839740, 2584175636, 3230219545, 6460439090, 12920878180]

約数ペア:

[(1, 12920878180), (2, 6460439090), (4, 3230219545), (5, 2584175636), (7, 1845839740), (10, 1292087818), (14, 922919870), (19, 680046220), (20, 646043909), (28, 461459935), (35, 369167948), (38, 340023110), (70, 184583974), (76, 170011555), (79, 163555420), (95, 136009244), (133, 97149460), (140, 92291987), (158, 81777710), (190, 68004622), (266, 48574730), (316, 40888855), (380, 34002311), (395, 32711084), (532, 24287365), (553, 23365060), (665, 19429892), (790, 16355542), (1106, 11682530), (1330, 9714946), (1501, 8608180), (1580, 8177771), (2212, 5841265), (2660, 4857473), (2765, 4673012), (3002, 4304090), (5530, 2336506), (6004, 2152045), (7505, 1721636), (10507, 1229740), (11060, 1168253), (15010, 860818), (21014, 614870), (30020, 430409), (42028, 307435), (52535, 245948), (61487, 210140), (105070, 122974)]