145331120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{691}}^1$

素因数の和:954

約数の個数: 80

約数和(自身を含む): 370690560

約数和(自身を除く): 225359440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 440, 478, 691, 880, 956, 1195, 1382, 1912, 2390, 2629, 2764, 3455, 3824, 4780, 5258, 5528, 6910, 7601, 9560, 10516, 11056, 13145, 13820, 15202, 19120, 21032, 26290, 27640, 30404, 38005, 42064, 52580, 55280, 60808, 76010, 105160, 121616, 152020, 165149, 210320, 304040, 330298, 608080, 660596, 825745, 1321192, 1651490, 1816639, 2642384, 3302980, 3633278, 6605960, 7266556, 9083195, 13211920, 14533112, 18166390, 29066224, 36332780, 72665560, 145331120]

約数ペア:

[(1, 145331120), (2, 72665560), (4, 36332780), (5, 29066224), (8, 18166390), (10, 14533112), (11, 13211920), (16, 9083195), (20, 7266556), (22, 6605960), (40, 3633278), (44, 3302980), (55, 2642384), (80, 1816639), (88, 1651490), (110, 1321192), (176, 825745), (220, 660596), (239, 608080), (440, 330298), (478, 304040), (691, 210320), (880, 165149), (956, 152020), (1195, 121616), (1382, 105160), (1912, 76010), (2390, 60808), (2629, 55280), (2764, 52580), (3455, 42064), (3824, 38005), (4780, 30404), (5258, 27640), (5528, 26290), (6910, 21032), (7601, 19120), (9560, 15202), (10516, 13820), (11056, 13145)]