2861820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1223}}^1$

素因数の和:1251

約数の個数: 72

約数和(自身を含む): 9356256

約数和(自身を除く): 6494436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1223, 2340, 2446, 3669, 4892, 6115, 7338, 11007, 12230, 14676, 15899, 18345, 22014, 24460, 31798, 36690, 44028, 47697, 55035, 63596, 73380, 79495, 95394, 110070, 143091, 158990, 190788, 220140, 238485, 286182, 317980, 476970, 572364, 715455, 953940, 1430910, 2861820]

約数ペア:

[(1, 2861820), (2, 1430910), (3, 953940), (4, 715455), (5, 572364), (6, 476970), (9, 317980), (10, 286182), (12, 238485), (13, 220140), (15, 190788), (18, 158990), (20, 143091), (26, 110070), (30, 95394), (36, 79495), (39, 73380), (45, 63596), (52, 55035), (60, 47697), (65, 44028), (78, 36690), (90, 31798), (117, 24460), (130, 22014), (156, 18345), (180, 15899), (195, 14676), (234, 12230), (260, 11007), (390, 7338), (468, 6115), (585, 4892), (780, 3669), (1170, 2446), (1223, 2340)]