8081220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 26320896

約数和(自身を除く): 18239676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 271, 284, 355, 420, 426, 497, 542, 710, 813, 852, 994, 1065, 1084, 1355, 1420, 1491, 1626, 1897, 1988, 2130, 2485, 2710, 2982, 3252, 3794, 4065, 4260, 4970, 5420, 5691, 5964, 7455, 7588, 8130, 9485, 9940, 11382, 14910, 16260, 18970, 19241, 22764, 28455, 29820, 37940, 38482, 56910, 57723, 76964, 96205, 113820, 115446, 134687, 192410, 230892, 269374, 288615, 384820, 404061, 538748, 577230, 673435, 808122, 1154460, 1346870, 1616244, 2020305, 2693740, 4040610, 8081220]

約数ペア:

[(1, 8081220), (2, 4040610), (3, 2693740), (4, 2020305), (5, 1616244), (6, 1346870), (7, 1154460), (10, 808122), (12, 673435), (14, 577230), (15, 538748), (20, 404061), (21, 384820), (28, 288615), (30, 269374), (35, 230892), (42, 192410), (60, 134687), (70, 115446), (71, 113820), (84, 96205), (105, 76964), (140, 57723), (142, 56910), (210, 38482), (213, 37940), (271, 29820), (284, 28455), (355, 22764), (420, 19241), (426, 18970), (497, 16260), (542, 14910), (710, 11382), (813, 9940), (852, 9485), (994, 8130), (1065, 7588), (1084, 7455), (1355, 5964), (1420, 5691), (1491, 5420), (1626, 4970), (1897, 4260), (1988, 4065), (2130, 3794), (2485, 3252), (2710, 2982)]