810017460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{642871}}^1$

素因数の和:642893

約数の個数: 72

約数和(自身を含む): 2808064896

約数和(自身を除く): 1998047436

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, 642871, 1285742, 1928613, 2571484, 3214355, 3857226, 4500097, 5785839, 6428710, 7714452, 9000194, 9643065, 11571678, 12857420, 13500291, 18000388, 19286130, 22500485, 23143356, 27000582, 28929195, 38572260, 40500873, 45000970, 54001164, 57858390, 67501455, 81001746, 90001940, 115716780, 135002910, 162003492, 202504365, 270005820, 405008730, 810017460]

約数ペア:

[(1, 810017460), (2, 405008730), (3, 270005820), (4, 202504365), (5, 162003492), (6, 135002910), (7, 115716780), (9, 90001940), (10, 81001746), (12, 67501455), (14, 57858390), (15, 54001164), (18, 45000970), (20, 40500873), (21, 38572260), (28, 28929195), (30, 27000582), (35, 23143356), (36, 22500485), (42, 19286130), (45, 18000388), (60, 13500291), (63, 12857420), (70, 11571678), (84, 9643065), (90, 9000194), (105, 7714452), (126, 6428710), (140, 5785839), (180, 4500097), (210, 3857226), (252, 3214355), (315, 2571484), (420, 1928613), (630, 1285742), (1260, 642871)]