657468160

素因数分解:

$2^8\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2243}}^1$

素因数の和:2493

約数の個数: 72

約数和(自身を含む): 1582423920

約数和(自身を除く): 924955760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 229, 256, 320, 458, 640, 916, 1145, 1280, 1832, 2243, 2290, 3664, 4486, 4580, 7328, 8972, 9160, 11215, 14656, 17944, 18320, 22430, 29312, 35888, 36640, 44860, 58624, 71776, 73280, 89720, 143552, 146560, 179440, 287104, 293120, 358880, 513647, 574208, 717760, 1027294, 1435520, 2054588, 2568235, 2871040, 4109176, 5136470, 8218352, 10272940, 16436704, 20545880, 32873408, 41091760, 65746816, 82183520, 131493632, 164367040, 328734080, 657468160]

約数ペア:

[(1, 657468160), (2, 328734080), (4, 164367040), (5, 131493632), (8, 82183520), (10, 65746816), (16, 41091760), (20, 32873408), (32, 20545880), (40, 16436704), (64, 10272940), (80, 8218352), (128, 5136470), (160, 4109176), (229, 2871040), (256, 2568235), (320, 2054588), (458, 1435520), (640, 1027294), (916, 717760), (1145, 574208), (1280, 513647), (1832, 358880), (2243, 293120), (2290, 287104), (3664, 179440), (4486, 146560), (4580, 143552), (7328, 89720), (8972, 73280), (9160, 71776), (11215, 58624), (14656, 44860), (17944, 36640), (18320, 35888), (22430, 29312)]