68405820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 220071936

約数和(自身を除く): 151666116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 271, 420, 542, 601, 813, 1084, 1202, 1355, 1626, 1803, 1897, 2404, 2710, 3005, 3252, 3606, 3794, 4065, 4207, 5420, 5691, 6010, 7212, 7588, 8130, 8414, 9015, 9485, 11382, 12020, 12621, 16260, 16828, 18030, 18970, 21035, 22764, 25242, 28455, 36060, 37940, 42070, 50484, 56910, 63105, 84140, 113820, 126210, 162871, 252420, 325742, 488613, 651484, 814355, 977226, 1140097, 1628710, 1954452, 2280194, 2443065, 3257420, 3420291, 4560388, 4886130, 5700485, 6840582, 9772260, 11400970, 13681164, 17101455, 22801940, 34202910, 68405820]

約数ペア:

[(1, 68405820), (2, 34202910), (3, 22801940), (4, 17101455), (5, 13681164), (6, 11400970), (7, 9772260), (10, 6840582), (12, 5700485), (14, 4886130), (15, 4560388), (20, 3420291), (21, 3257420), (28, 2443065), (30, 2280194), (35, 1954452), (42, 1628710), (60, 1140097), (70, 977226), (84, 814355), (105, 651484), (140, 488613), (210, 325742), (271, 252420), (420, 162871), (542, 126210), (601, 113820), (813, 84140), (1084, 63105), (1202, 56910), (1355, 50484), (1626, 42070), (1803, 37940), (1897, 36060), (2404, 28455), (2710, 25242), (3005, 22764), (3252, 21035), (3606, 18970), (3794, 18030), (4065, 16828), (4207, 16260), (5420, 12621), (5691, 12020), (6010, 11382), (7212, 9485), (7588, 9015), (8130, 8414)]