331367960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:697

約数の個数: 128

約数和(自身を含む): 935331840

約数和(自身を除く): 603963880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 271, 280, 308, 385, 397, 440, 542, 616, 770, 794, 1084, 1355, 1540, 1588, 1897, 1985, 2168, 2710, 2779, 2981, 3080, 3176, 3794, 3970, 4367, 5420, 5558, 5962, 7588, 7940, 8734, 9485, 10840, 11116, 11924, 13895, 14905, 15176, 15880, 17468, 18970, 20867, 21835, 22232, 23848, 27790, 29810, 30569, 34936, 37940, 41734, 43670, 55580, 59620, 61138, 75880, 83468, 87340, 104335, 107587, 111160, 119240, 122276, 152845, 166936, 174680, 208670, 215174, 244552, 305690, 417340, 430348, 537935, 611380, 753109, 834680, 860696, 1075870, 1183457, 1222760, 1506218, 2151740, 2366914, 3012436, 3765545, 4303480, 4733828, 5917285, 6024872, 7531090, 8284199, 9467656, 11834570, 15062180, 16568398, 23669140, 30124360, 33136796, 41420995, 47338280, 66273592, 82841990, 165683980, 331367960]

約数ペア:

[(1, 331367960), (2, 165683980), (4, 82841990), (5, 66273592), (7, 47338280), (8, 41420995), (10, 33136796), (11, 30124360), (14, 23669140), (20, 16568398), (22, 15062180), (28, 11834570), (35, 9467656), (40, 8284199), (44, 7531090), (55, 6024872), (56, 5917285), (70, 4733828), (77, 4303480), (88, 3765545), (110, 3012436), (140, 2366914), (154, 2151740), (220, 1506218), (271, 1222760), (280, 1183457), (308, 1075870), (385, 860696), (397, 834680), (440, 753109), (542, 611380), (616, 537935), (770, 430348), (794, 417340), (1084, 305690), (1355, 244552), (1540, 215174), (1588, 208670), (1897, 174680), (1985, 166936), (2168, 152845), (2710, 122276), (2779, 119240), (2981, 111160), (3080, 107587), (3176, 104335), (3794, 87340), (3970, 83468), (4367, 75880), (5420, 61138), (5558, 59620), (5962, 55580), (7588, 43670), (7940, 41734), (8734, 37940), (9485, 34936), (10840, 30569), (11116, 29810), (11924, 27790), (13895, 23848), (14905, 22232), (15176, 21835), (15880, 20867), (17468, 18970)]