28853880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21859}}^1$

素因数の和:21884

約数の個数: 64

約数和(自身を含む): 94435200

約数和(自身を除く): 65581320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21859, 43718, 65577, 87436, 109295, 131154, 174872, 218590, 240449, 262308, 327885, 437180, 480898, 524616, 655770, 721347, 874360, 961796, 1202245, 1311540, 1442694, 1923592, 2404490, 2623080, 2885388, 3606735, 4808980, 5770776, 7213470, 9617960, 14426940, 28853880]

約数ペア:

[(1, 28853880), (2, 14426940), (3, 9617960), (4, 7213470), (5, 5770776), (6, 4808980), (8, 3606735), (10, 2885388), (11, 2623080), (12, 2404490), (15, 1923592), (20, 1442694), (22, 1311540), (24, 1202245), (30, 961796), (33, 874360), (40, 721347), (44, 655770), (55, 524616), (60, 480898), (66, 437180), (88, 327885), (110, 262308), (120, 240449), (132, 218590), (165, 174872), (220, 131154), (264, 109295), (330, 87436), (440, 65577), (660, 43718), (1320, 21859)]