128772840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1847}}^1$

素因数の和:1951

約数の個数: 128

約数和(自身を含む): 447068160

約数和(自身を除く): 318295320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1847, 1992, 2324, 2490, 2905, 3320, 3486, 3694, 4648, 4980, 5541, 5810, 6972, 7388, 8715, 9235, 9960, 11082, 11620, 12929, 13944, 14776, 17430, 18470, 22164, 23240, 25858, 27705, 34860, 36940, 38787, 44328, 51716, 55410, 64645, 69720, 73880, 77574, 103432, 110820, 129290, 153301, 155148, 193935, 221640, 258580, 306602, 310296, 387870, 459903, 517160, 613204, 766505, 775740, 919806, 1073107, 1226408, 1533010, 1551480, 1839612, 2146214, 2299515, 3066020, 3219321, 3679224, 4292428, 4599030, 5365535, 6132040, 6438642, 8584856, 9198060, 10731070, 12877284, 16096605, 18396120, 21462140, 25754568, 32193210, 42924280, 64386420, 128772840]

約数ペア:

[(1, 128772840), (2, 64386420), (3, 42924280), (4, 32193210), (5, 25754568), (6, 21462140), (7, 18396120), (8, 16096605), (10, 12877284), (12, 10731070), (14, 9198060), (15, 8584856), (20, 6438642), (21, 6132040), (24, 5365535), (28, 4599030), (30, 4292428), (35, 3679224), (40, 3219321), (42, 3066020), (56, 2299515), (60, 2146214), (70, 1839612), (83, 1551480), (84, 1533010), (105, 1226408), (120, 1073107), (140, 919806), (166, 775740), (168, 766505), (210, 613204), (249, 517160), (280, 459903), (332, 387870), (415, 310296), (420, 306602), (498, 258580), (581, 221640), (664, 193935), (830, 155148), (840, 153301), (996, 129290), (1162, 110820), (1245, 103432), (1660, 77574), (1743, 73880), (1847, 69720), (1992, 64645), (2324, 55410), (2490, 51716), (2905, 44328), (3320, 38787), (3486, 36940), (3694, 34860), (4648, 27705), (4980, 25858), (5541, 23240), (5810, 22164), (6972, 18470), (7388, 17430), (8715, 14776), (9235, 13944), (9960, 12929), (11082, 11620)]