28746960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10889}}^1$

素因数の和:10916

約数の個数: 80

約数和(自身を含む): 97225920

約数和(自身を除く): 68478960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10889, 21778, 32667, 43556, 54445, 65334, 87112, 108890, 119779, 130668, 163335, 174224, 217780, 239558, 261336, 326670, 359337, 435560, 479116, 522672, 598895, 653340, 718674, 871120, 958232, 1197790, 1306680, 1437348, 1796685, 1916464, 2395580, 2613360, 2874696, 3593370, 4791160, 5749392, 7186740, 9582320, 14373480, 28746960]

約数ペア:

[(1, 28746960), (2, 14373480), (3, 9582320), (4, 7186740), (5, 5749392), (6, 4791160), (8, 3593370), (10, 2874696), (11, 2613360), (12, 2395580), (15, 1916464), (16, 1796685), (20, 1437348), (22, 1306680), (24, 1197790), (30, 958232), (33, 871120), (40, 718674), (44, 653340), (48, 598895), (55, 522672), (60, 479116), (66, 435560), (80, 359337), (88, 326670), (110, 261336), (120, 239558), (132, 217780), (165, 174224), (176, 163335), (220, 130668), (240, 119779), (264, 108890), (330, 87112), (440, 65334), (528, 54445), (660, 43556), (880, 32667), (1320, 21778), (2640, 10889)]