12720912

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 34664448

約数和(自身を除く): 21943536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 83, 93, 103, 124, 166, 186, 206, 248, 249, 309, 332, 372, 412, 496, 498, 618, 664, 744, 824, 996, 1236, 1328, 1488, 1648, 1992, 2472, 2573, 3193, 3984, 4944, 5146, 6386, 7719, 8549, 9579, 10292, 12772, 15438, 17098, 19158, 20584, 25544, 25647, 30876, 34196, 38316, 41168, 51088, 51294, 61752, 68392, 76632, 102588, 123504, 136784, 153264, 205176, 265019, 410352, 530038, 795057, 1060076, 1590114, 2120152, 3180228, 4240304, 6360456, 12720912]

約数ペア:

[(1, 12720912), (2, 6360456), (3, 4240304), (4, 3180228), (6, 2120152), (8, 1590114), (12, 1060076), (16, 795057), (24, 530038), (31, 410352), (48, 265019), (62, 205176), (83, 153264), (93, 136784), (103, 123504), (124, 102588), (166, 76632), (186, 68392), (206, 61752), (248, 51294), (249, 51088), (309, 41168), (332, 38316), (372, 34196), (412, 30876), (496, 25647), (498, 25544), (618, 20584), (664, 19158), (744, 17098), (824, 15438), (996, 12772), (1236, 10292), (1328, 9579), (1488, 8549), (1648, 7719), (1992, 6386), (2472, 5146), (2573, 4944), (3193, 3984)]