31259880

素因数分解:

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

素因数の和:1311

約数の個数: 96

約数和(自身を含む): 103109760

約数和(自身を除く): 71849880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1223, 1278, 1420, 1704, 2130, 2446, 2556, 2840, 3195, 3669, 4260, 4892, 5112, 6115, 6390, 7338, 8520, 9784, 11007, 12230, 12780, 14676, 18345, 22014, 24460, 25560, 29352, 36690, 44028, 48920, 55035, 73380, 86833, 88056, 110070, 146760, 173666, 220140, 260499, 347332, 434165, 440280, 520998, 694664, 781497, 868330, 1041996, 1302495, 1562994, 1736660, 2083992, 2604990, 3125988, 3473320, 3907485, 5209980, 6251976, 7814970, 10419960, 15629940, 31259880]

約数ペア:

[(1, 31259880), (2, 15629940), (3, 10419960), (4, 7814970), (5, 6251976), (6, 5209980), (8, 3907485), (9, 3473320), (10, 3125988), (12, 2604990), (15, 2083992), (18, 1736660), (20, 1562994), (24, 1302495), (30, 1041996), (36, 868330), (40, 781497), (45, 694664), (60, 520998), (71, 440280), (72, 434165), (90, 347332), (120, 260499), (142, 220140), (180, 173666), (213, 146760), (284, 110070), (355, 88056), (360, 86833), (426, 73380), (568, 55035), (639, 48920), (710, 44028), (852, 36690), (1065, 29352), (1223, 25560), (1278, 24460), (1420, 22014), (1704, 18345), (2130, 14676), (2446, 12780), (2556, 12230), (2840, 11007), (3195, 9784), (3669, 8520), (4260, 7338), (4892, 6390), (5112, 6115)]