15987960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 52650000

約数和(自身を除く): 36662040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 89, 90, 120, 178, 180, 267, 356, 360, 445, 499, 534, 712, 801, 890, 998, 1068, 1335, 1497, 1602, 1780, 1996, 2136, 2495, 2670, 2994, 3204, 3560, 3992, 4005, 4491, 4990, 5340, 5988, 6408, 7485, 8010, 8982, 9980, 10680, 11976, 14970, 16020, 17964, 19960, 22455, 29940, 32040, 35928, 44411, 44910, 59880, 88822, 89820, 133233, 177644, 179640, 222055, 266466, 355288, 399699, 444110, 532932, 666165, 799398, 888220, 1065864, 1332330, 1598796, 1776440, 1998495, 2664660, 3197592, 3996990, 5329320, 7993980, 15987960]

約数ペア:

[(1, 15987960), (2, 7993980), (3, 5329320), (4, 3996990), (5, 3197592), (6, 2664660), (8, 1998495), (9, 1776440), (10, 1598796), (12, 1332330), (15, 1065864), (18, 888220), (20, 799398), (24, 666165), (30, 532932), (36, 444110), (40, 399699), (45, 355288), (60, 266466), (72, 222055), (89, 179640), (90, 177644), (120, 133233), (178, 89820), (180, 88822), (267, 59880), (356, 44910), (360, 44411), (445, 35928), (499, 32040), (534, 29940), (712, 22455), (801, 19960), (890, 17964), (998, 16020), (1068, 14970), (1335, 11976), (1497, 10680), (1602, 9980), (1780, 8982), (1996, 8010), (2136, 7485), (2495, 6408), (2670, 5988), (2994, 5340), (3204, 4990), (3560, 4491), (3992, 4005)]