12675280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 32140800

約数和(自身を除く): 19465520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 269, 304, 310, 380, 496, 538, 589, 620, 760, 1076, 1178, 1240, 1345, 1520, 2152, 2356, 2480, 2690, 2945, 4304, 4712, 5111, 5380, 5890, 8339, 9424, 10222, 10760, 11780, 16678, 20444, 21520, 23560, 25555, 33356, 40888, 41695, 47120, 51110, 66712, 81776, 83390, 102220, 133424, 158441, 166780, 204440, 316882, 333560, 408880, 633764, 667120, 792205, 1267528, 1584410, 2535056, 3168820, 6337640, 12675280]

約数ペア:

[(1, 12675280), (2, 6337640), (4, 3168820), (5, 2535056), (8, 1584410), (10, 1267528), (16, 792205), (19, 667120), (20, 633764), (31, 408880), (38, 333560), (40, 316882), (62, 204440), (76, 166780), (80, 158441), (95, 133424), (124, 102220), (152, 83390), (155, 81776), (190, 66712), (248, 51110), (269, 47120), (304, 41695), (310, 40888), (380, 33356), (496, 25555), (538, 23560), (589, 21520), (620, 20444), (760, 16678), (1076, 11780), (1178, 10760), (1240, 10222), (1345, 9424), (1520, 8339), (2152, 5890), (2356, 5380), (2480, 5111), (2690, 4712), (2945, 4304)]