64449440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3329}}^1$

素因数の和:3366

約数の個数: 72

約数和(自身を含む): 167412420

約数和(自身を除く): 102962980

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3329, 3872, 4840, 6658, 9680, 13316, 16645, 19360, 26632, 33290, 36619, 53264, 66580, 73238, 106528, 133160, 146476, 183095, 266320, 292952, 366190, 402809, 532640, 585904, 732380, 805618, 1171808, 1464760, 1611236, 2014045, 2929520, 3222472, 4028090, 5859040, 6444944, 8056180, 12889888, 16112360, 32224720, 64449440]

約数ペア:

[(1, 64449440), (2, 32224720), (4, 16112360), (5, 12889888), (8, 8056180), (10, 6444944), (11, 5859040), (16, 4028090), (20, 3222472), (22, 2929520), (32, 2014045), (40, 1611236), (44, 1464760), (55, 1171808), (80, 805618), (88, 732380), (110, 585904), (121, 532640), (160, 402809), (176, 366190), (220, 292952), (242, 266320), (352, 183095), (440, 146476), (484, 133160), (605, 106528), (880, 73238), (968, 66580), (1210, 53264), (1760, 36619), (1936, 33290), (2420, 26632), (3329, 19360), (3872, 16645), (4840, 13316), (6658, 9680)]