142136800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 380600640

約数和(自身を除く): 238463840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 79, 80, 100, 104, 130, 158, 160, 173, 200, 208, 260, 316, 325, 346, 395, 400, 416, 520, 632, 650, 692, 790, 800, 865, 1027, 1040, 1264, 1300, 1384, 1580, 1730, 1975, 2054, 2080, 2249, 2528, 2600, 2768, 3160, 3460, 3950, 4108, 4325, 4498, 5135, 5200, 5536, 6320, 6920, 7900, 8216, 8650, 8996, 10270, 10400, 11245, 12640, 13667, 13840, 15800, 16432, 17300, 17992, 20540, 22490, 25675, 27334, 27680, 31600, 32864, 34600, 35984, 41080, 44980, 51350, 54668, 56225, 63200, 68335, 69200, 71968, 82160, 89960, 102700, 109336, 112450, 136670, 138400, 164320, 177671, 179920, 205400, 218672, 224900, 273340, 341675, 355342, 359840, 410800, 437344, 449800, 546680, 683350, 710684, 821600, 888355, 899600, 1093360, 1366700, 1421368, 1776710, 1799200, 2186720, 2733400, 2842736, 3553420, 4441775, 5466800, 5685472, 7106840, 8883550, 10933600, 14213680, 17767100, 28427360, 35534200, 71068400, 142136800]

約数ペア:

[(1, 142136800), (2, 71068400), (4, 35534200), (5, 28427360), (8, 17767100), (10, 14213680), (13, 10933600), (16, 8883550), (20, 7106840), (25, 5685472), (26, 5466800), (32, 4441775), (40, 3553420), (50, 2842736), (52, 2733400), (65, 2186720), (79, 1799200), (80, 1776710), (100, 1421368), (104, 1366700), (130, 1093360), (158, 899600), (160, 888355), (173, 821600), (200, 710684), (208, 683350), (260, 546680), (316, 449800), (325, 437344), (346, 410800), (395, 359840), (400, 355342), (416, 341675), (520, 273340), (632, 224900), (650, 218672), (692, 205400), (790, 179920), (800, 177671), (865, 164320), (1027, 138400), (1040, 136670), (1264, 112450), (1300, 109336), (1384, 102700), (1580, 89960), (1730, 82160), (1975, 71968), (2054, 69200), (2080, 68335), (2249, 63200), (2528, 56225), (2600, 54668), (2768, 51350), (3160, 44980), (3460, 41080), (3950, 35984), (4108, 34600), (4325, 32864), (4498, 31600), (5135, 27680), (5200, 27334), (5536, 25675), (6320, 22490), (6920, 20540), (7900, 17992), (8216, 17300), (8650, 16432), (8996, 15800), (10270, 13840), (10400, 13667), (11245, 12640)]