128898880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3329}}^1$

素因数の和:3368

約数の個数: 84

約数和(自身を含む): 337482180

約数和(自身を除く): 208583300

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3329, 3520, 3872, 4840, 6658, 7744, 9680, 13316, 16645, 19360, 26632, 33290, 36619, 38720, 53264, 66580, 73238, 106528, 133160, 146476, 183095, 213056, 266320, 292952, 366190, 402809, 532640, 585904, 732380, 805618, 1065280, 1171808, 1464760, 1611236, 2014045, 2343616, 2929520, 3222472, 4028090, 5859040, 6444944, 8056180, 11718080, 12889888, 16112360, 25779776, 32224720, 64449440, 128898880]

約数ペア:

[(1, 128898880), (2, 64449440), (4, 32224720), (5, 25779776), (8, 16112360), (10, 12889888), (11, 11718080), (16, 8056180), (20, 6444944), (22, 5859040), (32, 4028090), (40, 3222472), (44, 2929520), (55, 2343616), (64, 2014045), (80, 1611236), (88, 1464760), (110, 1171808), (121, 1065280), (160, 805618), (176, 732380), (220, 585904), (242, 532640), (320, 402809), (352, 366190), (440, 292952), (484, 266320), (605, 213056), (704, 183095), (880, 146476), (968, 133160), (1210, 106528), (1760, 73238), (1936, 66580), (2420, 53264), (3329, 38720), (3520, 36619), (3872, 33290), (4840, 26632), (6658, 19360), (7744, 16645), (9680, 13316)]