55661840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 120

約数和(自身を含む): 147044160

約数和(自身を除く): 91382320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 169, 179, 184, 208, 230, 260, 299, 338, 358, 368, 460, 520, 598, 676, 716, 845, 895, 920, 1040, 1196, 1352, 1432, 1495, 1690, 1790, 1840, 2327, 2392, 2704, 2864, 2990, 3380, 3580, 3887, 4117, 4654, 4784, 5980, 6760, 7160, 7774, 8234, 9308, 11635, 11960, 13520, 14320, 15548, 16468, 18616, 19435, 20585, 23270, 23920, 30251, 31096, 32936, 37232, 38870, 41170, 46540, 53521, 60502, 62192, 65872, 77740, 82340, 93080, 107042, 121004, 151255, 155480, 164680, 186160, 214084, 242008, 267605, 302510, 310960, 329360, 428168, 484016, 535210, 605020, 695773, 856336, 1070420, 1210040, 1391546, 2140840, 2420080, 2783092, 3478865, 4281680, 5566184, 6957730, 11132368, 13915460, 27830920, 55661840]

約数ペア:

[(1, 55661840), (2, 27830920), (4, 13915460), (5, 11132368), (8, 6957730), (10, 5566184), (13, 4281680), (16, 3478865), (20, 2783092), (23, 2420080), (26, 2140840), (40, 1391546), (46, 1210040), (52, 1070420), (65, 856336), (80, 695773), (92, 605020), (104, 535210), (115, 484016), (130, 428168), (169, 329360), (179, 310960), (184, 302510), (208, 267605), (230, 242008), (260, 214084), (299, 186160), (338, 164680), (358, 155480), (368, 151255), (460, 121004), (520, 107042), (598, 93080), (676, 82340), (716, 77740), (845, 65872), (895, 62192), (920, 60502), (1040, 53521), (1196, 46540), (1352, 41170), (1432, 38870), (1495, 37232), (1690, 32936), (1790, 31096), (1840, 30251), (2327, 23920), (2392, 23270), (2704, 20585), (2864, 19435), (2990, 18616), (3380, 16468), (3580, 15548), (3887, 14320), (4117, 13520), (4654, 11960), (4784, 11635), (5980, 9308), (6760, 8234), (7160, 7774)]