2179663960

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1\times {\mathrm{1213}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 4956033600

約数和(自身を除く): 2776369640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 269, 334, 538, 668, 835, 1076, 1213, 1336, 1345, 1670, 2152, 2426, 2690, 3340, 4852, 5380, 6065, 6680, 9704, 10760, 12130, 24260, 44923, 48520, 89846, 179692, 202571, 224615, 326297, 359384, 405142, 449230, 652594, 810284, 898460, 1012855, 1305188, 1620568, 1631485, 1796920, 2025710, 2610376, 3262970, 4051420, 6525940, 8102840, 13051880, 54491599, 108983198, 217966396, 272457995, 435932792, 544915990, 1089831980, 2179663960]

約数ペア:

[(1, 2179663960), (2, 1089831980), (4, 544915990), (5, 435932792), (8, 272457995), (10, 217966396), (20, 108983198), (40, 54491599), (167, 13051880), (269, 8102840), (334, 6525940), (538, 4051420), (668, 3262970), (835, 2610376), (1076, 2025710), (1213, 1796920), (1336, 1631485), (1345, 1620568), (1670, 1305188), (2152, 1012855), (2426, 898460), (2690, 810284), (3340, 652594), (4852, 449230), (5380, 405142), (6065, 359384), (6680, 326297), (9704, 224615), (10760, 202571), (12130, 179692), (24260, 89846), (44923, 48520)]