8718120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 28870920

約数和(自身を除く): 20152800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 397, 488, 549, 610, 732, 794, 915, 1098, 1191, 1220, 1464, 1588, 1830, 1985, 2196, 2382, 2440, 2745, 3176, 3573, 3660, 3970, 4392, 4764, 5490, 5955, 7146, 7320, 7940, 9528, 10980, 11910, 14292, 15880, 17865, 21960, 23820, 24217, 28584, 35730, 47640, 48434, 71460, 72651, 96868, 121085, 142920, 145302, 193736, 217953, 242170, 290604, 363255, 435906, 484340, 581208, 726510, 871812, 968680, 1089765, 1453020, 1743624, 2179530, 2906040, 4359060, 8718120]

約数ペア:

[(1, 8718120), (2, 4359060), (3, 2906040), (4, 2179530), (5, 1743624), (6, 1453020), (8, 1089765), (9, 968680), (10, 871812), (12, 726510), (15, 581208), (18, 484340), (20, 435906), (24, 363255), (30, 290604), (36, 242170), (40, 217953), (45, 193736), (60, 145302), (61, 142920), (72, 121085), (90, 96868), (120, 72651), (122, 71460), (180, 48434), (183, 47640), (244, 35730), (305, 28584), (360, 24217), (366, 23820), (397, 21960), (488, 17865), (549, 15880), (610, 14292), (732, 11910), (794, 10980), (915, 9528), (1098, 7940), (1191, 7320), (1220, 7146), (1464, 5955), (1588, 5490), (1830, 4764), (1985, 4392), (2196, 3970), (2382, 3660), (2440, 3573), (2745, 3176)]