15218640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:961

約数の個数: 120

約数和(自身を含む): 53389440

約数和(自身を除く): 38170800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 919, 920, 1035, 1104, 1380, 1656, 1838, 1840, 2070, 2757, 2760, 3312, 3676, 4140, 4595, 5514, 5520, 7352, 8271, 8280, 9190, 11028, 13785, 14704, 16542, 16560, 18380, 21137, 22056, 27570, 33084, 36760, 41355, 42274, 44112, 55140, 63411, 66168, 73520, 82710, 84548, 105685, 110280, 126822, 132336, 165420, 169096, 190233, 211370, 220560, 253644, 317055, 330840, 338192, 380466, 422740, 507288, 634110, 661680, 760932, 845480, 951165, 1014576, 1268220, 1521864, 1690960, 1902330, 2536440, 3043728, 3804660, 5072880, 7609320, 15218640]

約数ペア:

[(1, 15218640), (2, 7609320), (3, 5072880), (4, 3804660), (5, 3043728), (6, 2536440), (8, 1902330), (9, 1690960), (10, 1521864), (12, 1268220), (15, 1014576), (16, 951165), (18, 845480), (20, 760932), (23, 661680), (24, 634110), (30, 507288), (36, 422740), (40, 380466), (45, 338192), (46, 330840), (48, 317055), (60, 253644), (69, 220560), (72, 211370), (80, 190233), (90, 169096), (92, 165420), (115, 132336), (120, 126822), (138, 110280), (144, 105685), (180, 84548), (184, 82710), (207, 73520), (230, 66168), (240, 63411), (276, 55140), (345, 44112), (360, 42274), (368, 41355), (414, 36760), (460, 33084), (552, 27570), (690, 22056), (720, 21137), (828, 18380), (919, 16560), (920, 16542), (1035, 14704), (1104, 13785), (1380, 11028), (1656, 9190), (1838, 8280), (1840, 8271), (2070, 7352), (2757, 5520), (2760, 5514), (3312, 4595), (3676, 4140)]