1217486970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{644173}}^1$

素因数の和:644196

約数の個数: 64

約数和(自身を含む): 3710442240

約数和(自身を除く): 2492955270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 644173, 1288346, 1932519, 3220865, 3865038, 4509211, 5797557, 6441730, 9018422, 9662595, 11595114, 13527633, 17392671, 19325190, 22546055, 27055266, 28987785, 34785342, 40582899, 45092110, 57975570, 67638165, 81165798, 86963355, 121748697, 135276330, 173926710, 202914495, 243497394, 405828990, 608743485, 1217486970]

約数ペア:

[(1, 1217486970), (2, 608743485), (3, 405828990), (5, 243497394), (6, 202914495), (7, 173926710), (9, 135276330), (10, 121748697), (14, 86963355), (15, 81165798), (18, 67638165), (21, 57975570), (27, 45092110), (30, 40582899), (35, 34785342), (42, 28987785), (45, 27055266), (54, 22546055), (63, 19325190), (70, 17392671), (90, 13527633), (105, 11595114), (126, 9662595), (135, 9018422), (189, 6441730), (210, 5797557), (270, 4509211), (315, 3865038), (378, 3220865), (630, 1932519), (945, 1288346), (1890, 644173)]