158843720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 128

約数和(自身を含む): 425779200

約数和(自身を除く): 266935480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 79, 86, 140, 158, 167, 172, 215, 280, 301, 316, 334, 344, 395, 430, 553, 602, 632, 668, 790, 835, 860, 1106, 1169, 1204, 1336, 1505, 1580, 1670, 1720, 2212, 2338, 2408, 2765, 3010, 3160, 3340, 3397, 4424, 4676, 5530, 5845, 6020, 6680, 6794, 7181, 9352, 11060, 11690, 12040, 13193, 13588, 14362, 16985, 22120, 23380, 23779, 26386, 27176, 28724, 33970, 35905, 46760, 47558, 50267, 52772, 57448, 65965, 67940, 71810, 92351, 95116, 100534, 105544, 118895, 131930, 135880, 143620, 184702, 190232, 201068, 237790, 251335, 263860, 287240, 369404, 402136, 461755, 475580, 502670, 527720, 567299, 738808, 923510, 951160, 1005340, 1134598, 1847020, 2010680, 2269196, 2836495, 3694040, 3971093, 4538392, 5672990, 7942186, 11345980, 15884372, 19855465, 22691960, 31768744, 39710930, 79421860, 158843720]

約数ペア:

[(1, 158843720), (2, 79421860), (4, 39710930), (5, 31768744), (7, 22691960), (8, 19855465), (10, 15884372), (14, 11345980), (20, 7942186), (28, 5672990), (35, 4538392), (40, 3971093), (43, 3694040), (56, 2836495), (70, 2269196), (79, 2010680), (86, 1847020), (140, 1134598), (158, 1005340), (167, 951160), (172, 923510), (215, 738808), (280, 567299), (301, 527720), (316, 502670), (334, 475580), (344, 461755), (395, 402136), (430, 369404), (553, 287240), (602, 263860), (632, 251335), (668, 237790), (790, 201068), (835, 190232), (860, 184702), (1106, 143620), (1169, 135880), (1204, 131930), (1336, 118895), (1505, 105544), (1580, 100534), (1670, 95116), (1720, 92351), (2212, 71810), (2338, 67940), (2408, 65965), (2765, 57448), (3010, 52772), (3160, 50267), (3340, 47558), (3397, 46760), (4424, 35905), (4676, 33970), (5530, 28724), (5845, 27176), (6020, 26386), (6680, 23779), (6794, 23380), (7181, 22120), (9352, 16985), (11060, 14362), (11690, 13588), (12040, 13193)]