64205820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{50957}}^1$

素因数の和:50979

約数の個数: 72

約数和(自身を含む): 222584544

約数和(自身を除く): 158378724

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, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 50957, 101914, 152871, 203828, 254785, 305742, 356699, 458613, 509570, 611484, 713398, 764355, 917226, 1019140, 1070097, 1426796, 1528710, 1783495, 1834452, 2140194, 2293065, 3057420, 3210291, 3566990, 4280388, 4586130, 5350485, 6420582, 7133980, 9172260, 10700970, 12841164, 16051455, 21401940, 32102910, 64205820]

約数ペア:

[(1, 64205820), (2, 32102910), (3, 21401940), (4, 16051455), (5, 12841164), (6, 10700970), (7, 9172260), (9, 7133980), (10, 6420582), (12, 5350485), (14, 4586130), (15, 4280388), (18, 3566990), (20, 3210291), (21, 3057420), (28, 2293065), (30, 2140194), (35, 1834452), (36, 1783495), (42, 1528710), (45, 1426796), (60, 1070097), (63, 1019140), (70, 917226), (84, 764355), (90, 713398), (105, 611484), (126, 509570), (140, 458613), (180, 356699), (210, 305742), (252, 254785), (315, 203828), (420, 152871), (630, 101914), (1260, 50957)]