16389520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 45927864

約数和(自身を除く): 29538344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 113, 140, 148, 185, 196, 226, 245, 259, 280, 296, 370, 392, 452, 490, 518, 560, 565, 592, 740, 784, 791, 904, 980, 1036, 1130, 1295, 1480, 1582, 1808, 1813, 1960, 2072, 2260, 2590, 2960, 3164, 3626, 3920, 3955, 4144, 4181, 4520, 5180, 5537, 6328, 7252, 7910, 8362, 9040, 9065, 10360, 11074, 12656, 14504, 15820, 16724, 18130, 20720, 20905, 22148, 27685, 29008, 29267, 31640, 33448, 36260, 41810, 44296, 55370, 58534, 63280, 66896, 72520, 83620, 88592, 110740, 117068, 145040, 146335, 167240, 204869, 221480, 234136, 292670, 334480, 409738, 442960, 468272, 585340, 819476, 1024345, 1170680, 1638952, 2048690, 2341360, 3277904, 4097380, 8194760, 16389520]

約数ペア:

[(1, 16389520), (2, 8194760), (4, 4097380), (5, 3277904), (7, 2341360), (8, 2048690), (10, 1638952), (14, 1170680), (16, 1024345), (20, 819476), (28, 585340), (35, 468272), (37, 442960), (40, 409738), (49, 334480), (56, 292670), (70, 234136), (74, 221480), (80, 204869), (98, 167240), (112, 146335), (113, 145040), (140, 117068), (148, 110740), (185, 88592), (196, 83620), (226, 72520), (245, 66896), (259, 63280), (280, 58534), (296, 55370), (370, 44296), (392, 41810), (452, 36260), (490, 33448), (518, 31640), (560, 29267), (565, 29008), (592, 27685), (740, 22148), (784, 20905), (791, 20720), (904, 18130), (980, 16724), (1036, 15820), (1130, 14504), (1295, 12656), (1480, 11074), (1582, 10360), (1808, 9065), (1813, 9040), (1960, 8362), (2072, 7910), (2260, 7252), (2590, 6328), (2960, 5537), (3164, 5180), (3626, 4520), (3920, 4181), (3955, 4144)]