28072260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1879}}^1$

素因数の和:1977

約数の個数: 72

約数和(自身を含む): 86224320

約数和(自身を除く): 58152060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 1879, 2490, 2988, 3735, 3758, 4980, 5637, 7470, 7516, 9395, 11274, 14940, 16911, 18790, 22548, 28185, 33822, 37580, 56370, 67644, 84555, 112740, 155957, 169110, 311914, 338220, 467871, 623828, 779785, 935742, 1403613, 1559570, 1871484, 2339355, 2807226, 3119140, 4678710, 5614452, 7018065, 9357420, 14036130, 28072260]

約数ペア:

[(1, 28072260), (2, 14036130), (3, 9357420), (4, 7018065), (5, 5614452), (6, 4678710), (9, 3119140), (10, 2807226), (12, 2339355), (15, 1871484), (18, 1559570), (20, 1403613), (30, 935742), (36, 779785), (45, 623828), (60, 467871), (83, 338220), (90, 311914), (166, 169110), (180, 155957), (249, 112740), (332, 84555), (415, 67644), (498, 56370), (747, 37580), (830, 33822), (996, 28185), (1245, 22548), (1494, 18790), (1660, 16911), (1879, 14940), (2490, 11274), (2988, 9395), (3735, 7516), (3758, 7470), (4980, 5637)]