90665680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 248722920

約数和(自身を除く): 158057240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 101, 112, 140, 196, 202, 229, 245, 280, 392, 404, 458, 490, 505, 560, 707, 784, 808, 916, 980, 1010, 1145, 1414, 1603, 1616, 1832, 1960, 2020, 2290, 2828, 3206, 3535, 3664, 3920, 4040, 4580, 4949, 5656, 6412, 7070, 8015, 8080, 9160, 9898, 11221, 11312, 12824, 14140, 16030, 18320, 19796, 22442, 23129, 24745, 25648, 28280, 32060, 39592, 44884, 46258, 49490, 56105, 56560, 64120, 79184, 89768, 92516, 98980, 112210, 115645, 128240, 161903, 179536, 185032, 197960, 224420, 231290, 323806, 370064, 395920, 448840, 462580, 647612, 809515, 897680, 925160, 1133321, 1295224, 1619030, 1850320, 2266642, 2590448, 3238060, 4533284, 5666605, 6476120, 9066568, 11333210, 12952240, 18133136, 22666420, 45332840, 90665680]

約数ペア:

[(1, 90665680), (2, 45332840), (4, 22666420), (5, 18133136), (7, 12952240), (8, 11333210), (10, 9066568), (14, 6476120), (16, 5666605), (20, 4533284), (28, 3238060), (35, 2590448), (40, 2266642), (49, 1850320), (56, 1619030), (70, 1295224), (80, 1133321), (98, 925160), (101, 897680), (112, 809515), (140, 647612), (196, 462580), (202, 448840), (229, 395920), (245, 370064), (280, 323806), (392, 231290), (404, 224420), (458, 197960), (490, 185032), (505, 179536), (560, 161903), (707, 128240), (784, 115645), (808, 112210), (916, 98980), (980, 92516), (1010, 89768), (1145, 79184), (1414, 64120), (1603, 56560), (1616, 56105), (1832, 49490), (1960, 46258), (2020, 44884), (2290, 39592), (2828, 32060), (3206, 28280), (3535, 25648), (3664, 24745), (3920, 23129), (4040, 22442), (4580, 19796), (4949, 18320), (5656, 16030), (6412, 14140), (7070, 12824), (8015, 11312), (8080, 11221), (9160, 9898)]