7883920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 21927168

約数和(自身を除く): 14043248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 155, 170, 176, 187, 220, 248, 272, 289, 310, 340, 341, 374, 440, 496, 527, 578, 620, 680, 682, 748, 880, 935, 1054, 1156, 1240, 1360, 1364, 1445, 1496, 1705, 1870, 2108, 2312, 2480, 2635, 2728, 2890, 2992, 3179, 3410, 3740, 4216, 4624, 5270, 5456, 5780, 5797, 6358, 6820, 7480, 8432, 8959, 10540, 11560, 11594, 12716, 13640, 14960, 15895, 17918, 21080, 23120, 23188, 25432, 27280, 28985, 31790, 35836, 42160, 44795, 46376, 50864, 57970, 63580, 71672, 89590, 92752, 98549, 115940, 127160, 143344, 179180, 197098, 231880, 254320, 358360, 394196, 463760, 492745, 716720, 788392, 985490, 1576784, 1970980, 3941960, 7883920]

約数ペア:

[(1, 7883920), (2, 3941960), (4, 1970980), (5, 1576784), (8, 985490), (10, 788392), (11, 716720), (16, 492745), (17, 463760), (20, 394196), (22, 358360), (31, 254320), (34, 231880), (40, 197098), (44, 179180), (55, 143344), (62, 127160), (68, 115940), (80, 98549), (85, 92752), (88, 89590), (110, 71672), (124, 63580), (136, 57970), (155, 50864), (170, 46376), (176, 44795), (187, 42160), (220, 35836), (248, 31790), (272, 28985), (289, 27280), (310, 25432), (340, 23188), (341, 23120), (374, 21080), (440, 17918), (496, 15895), (527, 14960), (578, 13640), (620, 12716), (680, 11594), (682, 11560), (748, 10540), (880, 8959), (935, 8432), (1054, 7480), (1156, 6820), (1240, 6358), (1360, 5797), (1364, 5780), (1445, 5456), (1496, 5270), (1705, 4624), (1870, 4216), (2108, 3740), (2312, 3410), (2480, 3179), (2635, 2992), (2728, 2890)]