90819440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 80

約数和(自身を含む): 228922848

約数和(自身を除く): 138103408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1553, 1720, 2924, 3106, 3440, 3655, 5848, 6212, 7310, 7765, 11696, 12424, 14620, 15530, 24848, 26401, 29240, 31060, 52802, 58480, 62120, 66779, 105604, 124240, 132005, 133558, 211208, 264010, 267116, 333895, 422416, 528020, 534232, 667790, 1056040, 1068464, 1135243, 1335580, 2112080, 2270486, 2671160, 4540972, 5342320, 5676215, 9081944, 11352430, 18163888, 22704860, 45409720, 90819440]

約数ペア:

[(1, 90819440), (2, 45409720), (4, 22704860), (5, 18163888), (8, 11352430), (10, 9081944), (16, 5676215), (17, 5342320), (20, 4540972), (34, 2671160), (40, 2270486), (43, 2112080), (68, 1335580), (80, 1135243), (85, 1068464), (86, 1056040), (136, 667790), (170, 534232), (172, 528020), (215, 422416), (272, 333895), (340, 267116), (344, 264010), (430, 211208), (680, 133558), (688, 132005), (731, 124240), (860, 105604), (1360, 66779), (1462, 62120), (1553, 58480), (1720, 52802), (2924, 31060), (3106, 29240), (3440, 26401), (3655, 24848), (5848, 15530), (6212, 14620), (7310, 12424), (7765, 11696)]