28372080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{977}}^1$

素因数の和:1015

約数の個数: 120

約数和(自身を含む): 96775056

約数和(自身を除く): 68402976

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, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 977, 1210, 1320, 1452, 1815, 1936, 1954, 2420, 2640, 2904, 2931, 3630, 3908, 4840, 4885, 5808, 5862, 7260, 7816, 9680, 9770, 10747, 11724, 14520, 14655, 15632, 19540, 21494, 23448, 29040, 29310, 32241, 39080, 42988, 46896, 53735, 58620, 64482, 78160, 85976, 107470, 117240, 118217, 128964, 161205, 171952, 214940, 234480, 236434, 257928, 322410, 354651, 429880, 472868, 515856, 591085, 644820, 709302, 859760, 945736, 1182170, 1289640, 1418604, 1773255, 1891472, 2364340, 2579280, 2837208, 3546510, 4728680, 5674416, 7093020, 9457360, 14186040, 28372080]

約数ペア:

[(1, 28372080), (2, 14186040), (3, 9457360), (4, 7093020), (5, 5674416), (6, 4728680), (8, 3546510), (10, 2837208), (11, 2579280), (12, 2364340), (15, 1891472), (16, 1773255), (20, 1418604), (22, 1289640), (24, 1182170), (30, 945736), (33, 859760), (40, 709302), (44, 644820), (48, 591085), (55, 515856), (60, 472868), (66, 429880), (80, 354651), (88, 322410), (110, 257928), (120, 236434), (121, 234480), (132, 214940), (165, 171952), (176, 161205), (220, 128964), (240, 118217), (242, 117240), (264, 107470), (330, 85976), (363, 78160), (440, 64482), (484, 58620), (528, 53735), (605, 46896), (660, 42988), (726, 39080), (880, 32241), (968, 29310), (977, 29040), (1210, 23448), (1320, 21494), (1452, 19540), (1815, 15632), (1936, 14655), (1954, 14520), (2420, 11724), (2640, 10747), (2904, 9770), (2931, 9680), (3630, 7816), (3908, 7260), (4840, 5862), (4885, 5808)]