67721220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 238387968

約数和(自身を除く): 170666748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 757, 852, 994, 1065, 1260, 1278, 1420, 1491, 1514, 1988, 2130, 2271, 2485, 2556, 2982, 3028, 3195, 3785, 4260, 4473, 4542, 4970, 5299, 5964, 6390, 6813, 7455, 7570, 8946, 9084, 9940, 10598, 11355, 12780, 13626, 14910, 15140, 15897, 17892, 21196, 22365, 22710, 26495, 27252, 29820, 31794, 34065, 44730, 45420, 47691, 52990, 53747, 63588, 68130, 79485, 89460, 95382, 105980, 107494, 136260, 158970, 161241, 190764, 214988, 238455, 268735, 317940, 322482, 376229, 476910, 483723, 537470, 644964, 752458, 806205, 953820, 967446, 1074940, 1128687, 1504916, 1612410, 1881145, 1934892, 2257374, 2418615, 3224820, 3386061, 3762290, 4514748, 4837230, 5643435, 6772122, 7524580, 9674460, 11286870, 13544244, 16930305, 22573740, 33860610, 67721220]

約数ペア:

[(1, 67721220), (2, 33860610), (3, 22573740), (4, 16930305), (5, 13544244), (6, 11286870), (7, 9674460), (9, 7524580), (10, 6772122), (12, 5643435), (14, 4837230), (15, 4514748), (18, 3762290), (20, 3386061), (21, 3224820), (28, 2418615), (30, 2257374), (35, 1934892), (36, 1881145), (42, 1612410), (45, 1504916), (60, 1128687), (63, 1074940), (70, 967446), (71, 953820), (84, 806205), (90, 752458), (105, 644964), (126, 537470), (140, 483723), (142, 476910), (180, 376229), (210, 322482), (213, 317940), (252, 268735), (284, 238455), (315, 214988), (355, 190764), (420, 161241), (426, 158970), (497, 136260), (630, 107494), (639, 105980), (710, 95382), (757, 89460), (852, 79485), (994, 68130), (1065, 63588), (1260, 53747), (1278, 52990), (1420, 47691), (1491, 45420), (1514, 44730), (1988, 34065), (2130, 31794), (2271, 29820), (2485, 27252), (2556, 26495), (2982, 22710), (3028, 22365), (3195, 21196), (3785, 17892), (4260, 15897), (4473, 15140), (4542, 14910), (4970, 13626), (5299, 12780), (5964, 11355), (6390, 10598), (6813, 9940), (7455, 9084), (7570, 8946)]