42687920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 109278720

約数和(自身を除く): 66590800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 179, 220, 271, 358, 440, 542, 716, 880, 895, 1084, 1355, 1432, 1790, 1969, 2168, 2710, 2864, 2981, 3580, 3938, 4336, 5420, 5962, 7160, 7876, 9845, 10840, 11924, 14320, 14905, 15752, 19690, 21680, 23848, 29810, 31504, 39380, 47696, 48509, 59620, 78760, 97018, 119240, 157520, 194036, 238480, 242545, 388072, 485090, 533599, 776144, 970180, 1067198, 1940360, 2134396, 2667995, 3880720, 4268792, 5335990, 8537584, 10671980, 21343960, 42687920]

約数ペア:

[(1, 42687920), (2, 21343960), (4, 10671980), (5, 8537584), (8, 5335990), (10, 4268792), (11, 3880720), (16, 2667995), (20, 2134396), (22, 1940360), (40, 1067198), (44, 970180), (55, 776144), (80, 533599), (88, 485090), (110, 388072), (176, 242545), (179, 238480), (220, 194036), (271, 157520), (358, 119240), (440, 97018), (542, 78760), (716, 59620), (880, 48509), (895, 47696), (1084, 39380), (1355, 31504), (1432, 29810), (1790, 23848), (1969, 21680), (2168, 19690), (2710, 15752), (2864, 14905), (2981, 14320), (3580, 11924), (3938, 10840), (4336, 9845), (5420, 7876), (5962, 7160)]