68261440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 112

約数和(自身を含む): 178582320

約数和(自身を除く): 110320880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 260, 269, 305, 320, 416, 488, 520, 538, 610, 793, 832, 976, 1040, 1076, 1220, 1345, 1586, 1952, 2080, 2152, 2440, 2690, 3172, 3497, 3904, 3965, 4160, 4304, 4880, 5380, 6344, 6994, 7930, 8608, 9760, 10760, 12688, 13988, 15860, 16409, 17216, 17485, 19520, 21520, 25376, 27976, 31720, 32818, 34970, 43040, 50752, 55952, 63440, 65636, 69940, 82045, 86080, 111904, 126880, 131272, 139880, 164090, 213317, 223808, 253760, 262544, 279760, 328180, 426634, 525088, 559520, 656360, 853268, 1050176, 1066585, 1119040, 1312720, 1706536, 2133170, 2625440, 3413072, 4266340, 5250880, 6826144, 8532680, 13652288, 17065360, 34130720, 68261440]

約数ペア:

[(1, 68261440), (2, 34130720), (4, 17065360), (5, 13652288), (8, 8532680), (10, 6826144), (13, 5250880), (16, 4266340), (20, 3413072), (26, 2625440), (32, 2133170), (40, 1706536), (52, 1312720), (61, 1119040), (64, 1066585), (65, 1050176), (80, 853268), (104, 656360), (122, 559520), (130, 525088), (160, 426634), (208, 328180), (244, 279760), (260, 262544), (269, 253760), (305, 223808), (320, 213317), (416, 164090), (488, 139880), (520, 131272), (538, 126880), (610, 111904), (793, 86080), (832, 82045), (976, 69940), (1040, 65636), (1076, 63440), (1220, 55952), (1345, 50752), (1586, 43040), (1952, 34970), (2080, 32818), (2152, 31720), (2440, 27976), (2690, 25376), (3172, 21520), (3497, 19520), (3904, 17485), (3965, 17216), (4160, 16409), (4304, 15860), (4880, 13988), (5380, 12688), (6344, 10760), (6994, 9760), (7930, 8608)]