1288793440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1699}}^1$

素因数の和:2156

約数の個数: 96

約数和(自身を含む): 3331238400

約数和(自身を除く): 2042444960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 431, 440, 862, 880, 1699, 1724, 1760, 2155, 3398, 3448, 4310, 4741, 6796, 6896, 8495, 8620, 9482, 13592, 13792, 16990, 17240, 18689, 18964, 23705, 27184, 33980, 34480, 37378, 37928, 47410, 54368, 67960, 68960, 74756, 75856, 93445, 94820, 135920, 149512, 151712, 186890, 189640, 271840, 299024, 373780, 379280, 598048, 732269, 747560, 758560, 1464538, 1495120, 2929076, 2990240, 3661345, 5858152, 7322690, 8054959, 11716304, 14645380, 16109918, 23432608, 29290760, 32219836, 40274795, 58581520, 64439672, 80549590, 117163040, 128879344, 161099180, 257758688, 322198360, 644396720, 1288793440]

約数ペア:

[(1, 1288793440), (2, 644396720), (4, 322198360), (5, 257758688), (8, 161099180), (10, 128879344), (11, 117163040), (16, 80549590), (20, 64439672), (22, 58581520), (32, 40274795), (40, 32219836), (44, 29290760), (55, 23432608), (80, 16109918), (88, 14645380), (110, 11716304), (160, 8054959), (176, 7322690), (220, 5858152), (352, 3661345), (431, 2990240), (440, 2929076), (862, 1495120), (880, 1464538), (1699, 758560), (1724, 747560), (1760, 732269), (2155, 598048), (3398, 379280), (3448, 373780), (4310, 299024), (4741, 271840), (6796, 189640), (6896, 186890), (8495, 151712), (8620, 149512), (9482, 135920), (13592, 94820), (13792, 93445), (16990, 75856), (17240, 74756), (18689, 68960), (18964, 67960), (23705, 54368), (27184, 47410), (33980, 37928), (34480, 37378)]