80541760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1068

約数の個数: 112

約数和(自身を含む): 217627200

約数和(自身を除く): 137085440

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, 1019, 1040, 1216, 1235, 1520, 1976, 2038, 2080, 2470, 3040, 3952, 4076, 4160, 4940, 5095, 6080, 7904, 8152, 9880, 10190, 13247, 15808, 16304, 19361, 19760, 20380, 26494, 32608, 38722, 39520, 40760, 52988, 65216, 66235, 77444, 79040, 81520, 96805, 105976, 132470, 154888, 163040, 193610, 211952, 251693, 264940, 309776, 326080, 387220, 423904, 503386, 529880, 619552, 774440, 847808, 1006772, 1059760, 1239104, 1258465, 1548880, 2013544, 2119520, 2516930, 3097760, 4027088, 4239040, 5033860, 6195520, 8054176, 10067720, 16108352, 20135440, 40270880, 80541760]

約数ペア:

[(1, 80541760), (2, 40270880), (4, 20135440), (5, 16108352), (8, 10067720), (10, 8054176), (13, 6195520), (16, 5033860), (19, 4239040), (20, 4027088), (26, 3097760), (32, 2516930), (38, 2119520), (40, 2013544), (52, 1548880), (64, 1258465), (65, 1239104), (76, 1059760), (80, 1006772), (95, 847808), (104, 774440), (130, 619552), (152, 529880), (160, 503386), (190, 423904), (208, 387220), (247, 326080), (260, 309776), (304, 264940), (320, 251693), (380, 211952), (416, 193610), (494, 163040), (520, 154888), (608, 132470), (760, 105976), (832, 96805), (988, 81520), (1019, 79040), (1040, 77444), (1216, 66235), (1235, 65216), (1520, 52988), (1976, 40760), (2038, 39520), (2080, 38722), (2470, 32608), (3040, 26494), (3952, 20380), (4076, 19760), (4160, 19361), (4940, 16304), (5095, 15808), (6080, 13247), (7904, 10190), (8152, 9880)]