78091520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:85

約数の個数: 162

約数和(自身を含む): 213770718

約数和(自身を除く): 135679198

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 169, 190, 208, 247, 256, 260, 304, 320, 338, 361, 380, 416, 494, 520, 608, 640, 676, 722, 760, 832, 845, 988, 1040, 1216, 1235, 1280, 1352, 1444, 1520, 1664, 1690, 1805, 1976, 2080, 2432, 2470, 2704, 2888, 3040, 3211, 3328, 3380, 3610, 3952, 4160, 4693, 4864, 4940, 5408, 5776, 6080, 6422, 6760, 7220, 7904, 8320, 9386, 9880, 10816, 11552, 12160, 12844, 13520, 14440, 15808, 16055, 16640, 18772, 19760, 21632, 23104, 23465, 24320, 25688, 27040, 28880, 31616, 32110, 37544, 39520, 43264, 46208, 46930, 51376, 54080, 57760, 61009, 63232, 64220, 75088, 79040, 92416, 93860, 102752, 108160, 115520, 122018, 128440, 150176, 158080, 187720, 205504, 216320, 231040, 244036, 256880, 300352, 305045, 316160, 375440, 411008, 462080, 488072, 513760, 600704, 610090, 750880, 822016, 976144, 1027520, 1201408, 1220180, 1501760, 1952288, 2055040, 2440360, 3003520, 3904576, 4110080, 4880720, 6007040, 7809152, 9761440, 15618304, 19522880, 39045760, 78091520]

約数ペア:

[(1, 78091520), (2, 39045760), (4, 19522880), (5, 15618304), (8, 9761440), (10, 7809152), (13, 6007040), (16, 4880720), (19, 4110080), (20, 3904576), (26, 3003520), (32, 2440360), (38, 2055040), (40, 1952288), (52, 1501760), (64, 1220180), (65, 1201408), (76, 1027520), (80, 976144), (95, 822016), (104, 750880), (128, 610090), (130, 600704), (152, 513760), (160, 488072), (169, 462080), (190, 411008), (208, 375440), (247, 316160), (256, 305045), (260, 300352), (304, 256880), (320, 244036), (338, 231040), (361, 216320), (380, 205504), (416, 187720), (494, 158080), (520, 150176), (608, 128440), (640, 122018), (676, 115520), (722, 108160), (760, 102752), (832, 93860), (845, 92416), (988, 79040), (1040, 75088), (1216, 64220), (1235, 63232), (1280, 61009), (1352, 57760), (1444, 54080), (1520, 51376), (1664, 46930), (1690, 46208), (1805, 43264), (1976, 39520), (2080, 37544), (2432, 32110), (2470, 31616), (2704, 28880), (2888, 27040), (3040, 25688), (3211, 24320), (3328, 23465), (3380, 23104), (3610, 21632), (3952, 19760), (4160, 18772), (4693, 16640), (4864, 16055), (4940, 15808), (5408, 14440), (5776, 13520), (6080, 12844), (6422, 12160), (6760, 11552), (7220, 10816), (7904, 9880), (8320, 9386)]