156420160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2028

約数の個数: 112

約数和(自身を含む): 422452800

約数和(自身を除く): 266032640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 1979, 2080, 2470, 3040, 3952, 3958, 4160, 4940, 6080, 7904, 7916, 9880, 9895, 15808, 15832, 19760, 19790, 25727, 31664, 37601, 39520, 39580, 51454, 63328, 75202, 79040, 79160, 102908, 126656, 128635, 150404, 158320, 188005, 205816, 257270, 300808, 316640, 376010, 411632, 488813, 514540, 601616, 633280, 752020, 823264, 977626, 1029080, 1203232, 1504040, 1646528, 1955252, 2058160, 2406464, 2444065, 3008080, 3910504, 4116320, 4888130, 6016160, 7821008, 8232640, 9776260, 12032320, 15642016, 19552520, 31284032, 39105040, 78210080, 156420160]

約数ペア:

[(1, 156420160), (2, 78210080), (4, 39105040), (5, 31284032), (8, 19552520), (10, 15642016), (13, 12032320), (16, 9776260), (19, 8232640), (20, 7821008), (26, 6016160), (32, 4888130), (38, 4116320), (40, 3910504), (52, 3008080), (64, 2444065), (65, 2406464), (76, 2058160), (80, 1955252), (95, 1646528), (104, 1504040), (130, 1203232), (152, 1029080), (160, 977626), (190, 823264), (208, 752020), (247, 633280), (260, 601616), (304, 514540), (320, 488813), (380, 411632), (416, 376010), (494, 316640), (520, 300808), (608, 257270), (760, 205816), (832, 188005), (988, 158320), (1040, 150404), (1216, 128635), (1235, 126656), (1520, 102908), (1976, 79160), (1979, 79040), (2080, 75202), (2470, 63328), (3040, 51454), (3952, 39580), (3958, 39520), (4160, 37601), (4940, 31664), (6080, 25727), (7904, 19790), (7916, 19760), (9880, 15832), (9895, 15808)]