131712880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 333728640

約数和(自身を除く): 202015760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 208, 260, 356, 445, 520, 712, 890, 1040, 1157, 1423, 1424, 1780, 2314, 2846, 3560, 4628, 5692, 5785, 7115, 7120, 9256, 11384, 11570, 14230, 18499, 18512, 22768, 23140, 28460, 36998, 46280, 56920, 73996, 92495, 92560, 113840, 126647, 147992, 184990, 253294, 295984, 369980, 506588, 633235, 739960, 1013176, 1266470, 1479920, 1646411, 2026352, 2532940, 3292822, 5065880, 6585644, 8232055, 10131760, 13171288, 16464110, 26342576, 32928220, 65856440, 131712880]

約数ペア:

[(1, 131712880), (2, 65856440), (4, 32928220), (5, 26342576), (8, 16464110), (10, 13171288), (13, 10131760), (16, 8232055), (20, 6585644), (26, 5065880), (40, 3292822), (52, 2532940), (65, 2026352), (80, 1646411), (89, 1479920), (104, 1266470), (130, 1013176), (178, 739960), (208, 633235), (260, 506588), (356, 369980), (445, 295984), (520, 253294), (712, 184990), (890, 147992), (1040, 126647), (1157, 113840), (1423, 92560), (1424, 92495), (1780, 73996), (2314, 56920), (2846, 46280), (3560, 36998), (4628, 28460), (5692, 23140), (5785, 22768), (7115, 18512), (7120, 18499), (9256, 14230), (11384, 11570)]