12470840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 30132000

約数和(自身を除く): 17661160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 269, 305, 380, 488, 538, 610, 760, 1076, 1159, 1220, 1345, 2152, 2318, 2440, 2690, 4636, 5111, 5380, 5795, 9272, 10222, 10760, 11590, 16409, 20444, 23180, 25555, 32818, 40888, 46360, 51110, 65636, 82045, 102220, 131272, 164090, 204440, 311771, 328180, 623542, 656360, 1247084, 1558855, 2494168, 3117710, 6235420, 12470840]

約数ペア:

[(1, 12470840), (2, 6235420), (4, 3117710), (5, 2494168), (8, 1558855), (10, 1247084), (19, 656360), (20, 623542), (38, 328180), (40, 311771), (61, 204440), (76, 164090), (95, 131272), (122, 102220), (152, 82045), (190, 65636), (244, 51110), (269, 46360), (305, 40888), (380, 32818), (488, 25555), (538, 23180), (610, 20444), (760, 16409), (1076, 11590), (1159, 10760), (1220, 10222), (1345, 9272), (2152, 5795), (2318, 5380), (2440, 5111), (2690, 4636)]