28995240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 91445760

約数和(自身を除く): 62450520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 53, 60, 94, 97, 106, 120, 141, 159, 188, 194, 212, 235, 265, 282, 291, 318, 376, 388, 424, 470, 485, 530, 564, 582, 636, 705, 776, 795, 940, 970, 1060, 1128, 1164, 1272, 1410, 1455, 1590, 1880, 1940, 2120, 2328, 2491, 2820, 2910, 3180, 3880, 4559, 4982, 5141, 5640, 5820, 6360, 7473, 9118, 9964, 10282, 11640, 12455, 13677, 14946, 15423, 18236, 19928, 20564, 22795, 24910, 25705, 27354, 29892, 30846, 36472, 37365, 41128, 45590, 49820, 51410, 54708, 59784, 61692, 68385, 74730, 77115, 91180, 99640, 102820, 109416, 123384, 136770, 149460, 154230, 182360, 205640, 241627, 273540, 298920, 308460, 483254, 547080, 616920, 724881, 966508, 1208135, 1449762, 1933016, 2416270, 2899524, 3624405, 4832540, 5799048, 7248810, 9665080, 14497620, 28995240]

約数ペア:

[(1, 28995240), (2, 14497620), (3, 9665080), (4, 7248810), (5, 5799048), (6, 4832540), (8, 3624405), (10, 2899524), (12, 2416270), (15, 1933016), (20, 1449762), (24, 1208135), (30, 966508), (40, 724881), (47, 616920), (53, 547080), (60, 483254), (94, 308460), (97, 298920), (106, 273540), (120, 241627), (141, 205640), (159, 182360), (188, 154230), (194, 149460), (212, 136770), (235, 123384), (265, 109416), (282, 102820), (291, 99640), (318, 91180), (376, 77115), (388, 74730), (424, 68385), (470, 61692), (485, 59784), (530, 54708), (564, 51410), (582, 49820), (636, 45590), (705, 41128), (776, 37365), (795, 36472), (940, 30846), (970, 29892), (1060, 27354), (1128, 25705), (1164, 24910), (1272, 22795), (1410, 20564), (1455, 19928), (1590, 18236), (1880, 15423), (1940, 14946), (2120, 13677), (2328, 12455), (2491, 11640), (2820, 10282), (2910, 9964), (3180, 9118), (3880, 7473), (4559, 6360), (4982, 5820), (5141, 5640)]