15629940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1309

約数の個数: 72

約数和(自身を含む): 48117888

約数和(自身を除く): 32487948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1223, 1278, 1420, 2130, 2446, 2556, 3195, 3669, 4260, 4892, 6115, 6390, 7338, 11007, 12230, 12780, 14676, 18345, 22014, 24460, 36690, 44028, 55035, 73380, 86833, 110070, 173666, 220140, 260499, 347332, 434165, 520998, 781497, 868330, 1041996, 1302495, 1562994, 1736660, 2604990, 3125988, 3907485, 5209980, 7814970, 15629940]

約数ペア:

[(1, 15629940), (2, 7814970), (3, 5209980), (4, 3907485), (5, 3125988), (6, 2604990), (9, 1736660), (10, 1562994), (12, 1302495), (15, 1041996), (18, 868330), (20, 781497), (30, 520998), (36, 434165), (45, 347332), (60, 260499), (71, 220140), (90, 173666), (142, 110070), (180, 86833), (213, 73380), (284, 55035), (355, 44028), (426, 36690), (639, 24460), (710, 22014), (852, 18345), (1065, 14676), (1223, 12780), (1278, 12230), (1420, 11007), (2130, 7338), (2446, 6390), (2556, 6115), (3195, 4892), (3669, 4260)]