253291280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15149}}^1$

素因数の和:15192

約数の個数: 80

約数和(自身を含む): 676296000

約数和(自身を除く): 423004720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 15149, 16720, 30298, 60596, 75745, 121192, 151490, 166639, 242384, 287831, 302980, 333278, 575662, 605960, 666556, 833195, 1151324, 1211920, 1333112, 1439155, 1666390, 2302648, 2666224, 2878310, 3166141, 3332780, 4605296, 5756620, 6332282, 6665560, 11513240, 12664564, 13331120, 15830705, 23026480, 25329128, 31661410, 50658256, 63322820, 126645640, 253291280]

約数ペア:

[(1, 253291280), (2, 126645640), (4, 63322820), (5, 50658256), (8, 31661410), (10, 25329128), (11, 23026480), (16, 15830705), (19, 13331120), (20, 12664564), (22, 11513240), (38, 6665560), (40, 6332282), (44, 5756620), (55, 4605296), (76, 3332780), (80, 3166141), (88, 2878310), (95, 2666224), (110, 2302648), (152, 1666390), (176, 1439155), (190, 1333112), (209, 1211920), (220, 1151324), (304, 833195), (380, 666556), (418, 605960), (440, 575662), (760, 333278), (836, 302980), (880, 287831), (1045, 242384), (1520, 166639), (1672, 151490), (2090, 121192), (3344, 75745), (4180, 60596), (8360, 30298), (15149, 16720)]