90454960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 80

約数和(自身を含む): 224423136

約数和(自身を除く): 133968176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 227, 272, 293, 340, 454, 586, 680, 908, 1135, 1172, 1360, 1465, 1816, 2270, 2344, 2930, 3632, 3859, 4540, 4688, 4981, 5860, 7718, 9080, 9962, 11720, 15436, 18160, 19295, 19924, 23440, 24905, 30872, 38590, 39848, 49810, 61744, 66511, 77180, 79696, 99620, 133022, 154360, 199240, 266044, 308720, 332555, 398480, 532088, 665110, 1064176, 1130687, 1330220, 2261374, 2660440, 4522748, 5320880, 5653435, 9045496, 11306870, 18090992, 22613740, 45227480, 90454960]

約数ペア:

[(1, 90454960), (2, 45227480), (4, 22613740), (5, 18090992), (8, 11306870), (10, 9045496), (16, 5653435), (17, 5320880), (20, 4522748), (34, 2660440), (40, 2261374), (68, 1330220), (80, 1130687), (85, 1064176), (136, 665110), (170, 532088), (227, 398480), (272, 332555), (293, 308720), (340, 266044), (454, 199240), (586, 154360), (680, 133022), (908, 99620), (1135, 79696), (1172, 77180), (1360, 66511), (1465, 61744), (1816, 49810), (2270, 39848), (2344, 38590), (2930, 30872), (3632, 24905), (3859, 23440), (4540, 19924), (4688, 19295), (4981, 18160), (5860, 15436), (7718, 11720), (9080, 9962)]