68045840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 100693360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 503, 712, 760, 890, 1006, 1424, 1520, 1691, 1780, 2012, 2515, 3382, 3560, 4024, 5030, 6764, 7120, 8048, 8455, 9557, 10060, 13528, 16910, 19114, 20120, 27056, 33820, 38228, 40240, 44767, 47785, 67640, 76456, 89534, 95570, 135280, 152912, 179068, 191140, 223835, 358136, 382280, 447670, 716272, 764560, 850573, 895340, 1701146, 1790680, 3402292, 3581360, 4252865, 6804584, 8505730, 13609168, 17011460, 34022920, 68045840]

約数ペア:

[(1, 68045840), (2, 34022920), (4, 17011460), (5, 13609168), (8, 8505730), (10, 6804584), (16, 4252865), (19, 3581360), (20, 3402292), (38, 1790680), (40, 1701146), (76, 895340), (80, 850573), (89, 764560), (95, 716272), (152, 447670), (178, 382280), (190, 358136), (304, 223835), (356, 191140), (380, 179068), (445, 152912), (503, 135280), (712, 95570), (760, 89534), (890, 76456), (1006, 67640), (1424, 47785), (1520, 44767), (1691, 40240), (1780, 38228), (2012, 33820), (2515, 27056), (3382, 20120), (3560, 19114), (4024, 16910), (5030, 13528), (6764, 10060), (7120, 9557), (8048, 8455)]