78210080

素因数分解:

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

素因数の和:2026

約数の個数: 96

約数和(自身を含む): 209563200

約数和(自身を除く): 131353120

約数列:

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

約数ペア:

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