2906040

素因数分解:

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

素因数の和:472

約数の個数: 64

約数和(自身を含む): 8883360

約数和(自身を除く): 5977320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 397, 488, 610, 732, 794, 915, 1191, 1220, 1464, 1588, 1830, 1985, 2382, 2440, 3176, 3660, 3970, 4764, 5955, 7320, 7940, 9528, 11910, 15880, 23820, 24217, 47640, 48434, 72651, 96868, 121085, 145302, 193736, 242170, 290604, 363255, 484340, 581208, 726510, 968680, 1453020, 2906040]

約数ペア:

[(1, 2906040), (2, 1453020), (3, 968680), (4, 726510), (5, 581208), (6, 484340), (8, 363255), (10, 290604), (12, 242170), (15, 193736), (20, 145302), (24, 121085), (30, 96868), (40, 72651), (60, 48434), (61, 47640), (120, 24217), (122, 23820), (183, 15880), (244, 11910), (305, 9528), (366, 7940), (397, 7320), (488, 5955), (610, 4764), (732, 3970), (794, 3660), (915, 3176), (1191, 2440), (1220, 2382), (1464, 1985), (1588, 1830)]