123930560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:123

約数の個数: 112

約数和(自身を含む): 328403712

約数和(自身を除く): 204473152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 961, 992, 1040, 1240, 1612, 1922, 1984, 2015, 2080, 2480, 3224, 3844, 4030, 4160, 4805, 4960, 6448, 7688, 8060, 9610, 9920, 12493, 12896, 15376, 16120, 19220, 24986, 25792, 29791, 30752, 32240, 38440, 49972, 59582, 61504, 62465, 64480, 76880, 99944, 119164, 124930, 128960, 148955, 153760, 199888, 238328, 249860, 297910, 307520, 387283, 399776, 476656, 499720, 595820, 774566, 799552, 953312, 999440, 1191640, 1549132, 1906624, 1936415, 1998880, 2383280, 3098264, 3872830, 3997760, 4766560, 6196528, 7745660, 9533120, 12393056, 15491320, 24786112, 30982640, 61965280, 123930560]

約数ペア:

[(1, 123930560), (2, 61965280), (4, 30982640), (5, 24786112), (8, 15491320), (10, 12393056), (13, 9533120), (16, 7745660), (20, 6196528), (26, 4766560), (31, 3997760), (32, 3872830), (40, 3098264), (52, 2383280), (62, 1998880), (64, 1936415), (65, 1906624), (80, 1549132), (104, 1191640), (124, 999440), (130, 953312), (155, 799552), (160, 774566), (208, 595820), (248, 499720), (260, 476656), (310, 399776), (320, 387283), (403, 307520), (416, 297910), (496, 249860), (520, 238328), (620, 199888), (806, 153760), (832, 148955), (961, 128960), (992, 124930), (1040, 119164), (1240, 99944), (1612, 76880), (1922, 64480), (1984, 62465), (2015, 61504), (2080, 59582), (2480, 49972), (3224, 38440), (3844, 32240), (4030, 30752), (4160, 29791), (4805, 25792), (4960, 24986), (6448, 19220), (7688, 16120), (8060, 15376), (9610, 12896), (9920, 12493)]