127521680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 355477248

約数和(自身を除く): 227955568

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 71, 80, 88, 104, 110, 130, 142, 143, 157, 176, 208, 220, 260, 284, 286, 314, 355, 440, 520, 568, 572, 628, 710, 715, 781, 785, 880, 923, 1040, 1136, 1144, 1256, 1420, 1430, 1562, 1570, 1727, 1846, 2041, 2288, 2512, 2840, 2860, 3124, 3140, 3454, 3692, 3905, 4082, 4615, 5680, 5720, 6248, 6280, 6908, 7384, 7810, 8164, 8635, 9230, 10153, 10205, 11147, 11440, 12496, 12560, 13816, 14768, 15620, 16328, 17270, 18460, 20306, 20410, 22294, 22451, 27632, 31240, 32656, 34540, 36920, 40612, 40820, 44588, 44902, 50765, 55735, 62480, 69080, 73840, 81224, 81640, 89176, 89804, 101530, 111470, 112255, 122617, 138160, 144911, 162448, 163280, 178352, 179608, 203060, 222940, 224510, 245234, 289822, 359216, 406120, 445880, 449020, 490468, 579644, 613085, 724555, 812240, 891760, 898040, 980936, 1159288, 1226170, 1449110, 1594021, 1796080, 1961872, 2318576, 2452340, 2898220, 3188042, 4904680, 5796440, 6376084, 7970105, 9809360, 11592880, 12752168, 15940210, 25504336, 31880420, 63760840, 127521680]

約数ペア:

[(1, 127521680), (2, 63760840), (4, 31880420), (5, 25504336), (8, 15940210), (10, 12752168), (11, 11592880), (13, 9809360), (16, 7970105), (20, 6376084), (22, 5796440), (26, 4904680), (40, 3188042), (44, 2898220), (52, 2452340), (55, 2318576), (65, 1961872), (71, 1796080), (80, 1594021), (88, 1449110), (104, 1226170), (110, 1159288), (130, 980936), (142, 898040), (143, 891760), (157, 812240), (176, 724555), (208, 613085), (220, 579644), (260, 490468), (284, 449020), (286, 445880), (314, 406120), (355, 359216), (440, 289822), (520, 245234), (568, 224510), (572, 222940), (628, 203060), (710, 179608), (715, 178352), (781, 163280), (785, 162448), (880, 144911), (923, 138160), (1040, 122617), (1136, 112255), (1144, 111470), (1256, 101530), (1420, 89804), (1430, 89176), (1562, 81640), (1570, 81224), (1727, 73840), (1846, 69080), (2041, 62480), (2288, 55735), (2512, 50765), (2840, 44902), (2860, 44588), (3124, 40820), (3140, 40612), (3454, 36920), (3692, 34540), (3905, 32656), (4082, 31240), (4615, 27632), (5680, 22451), (5720, 22294), (6248, 20410), (6280, 20306), (6908, 18460), (7384, 17270), (7810, 16328), (8164, 15620), (8635, 14768), (9230, 13816), (10153, 12560), (10205, 12496), (11147, 11440)]