642241008

素因数分解:

$2^4\times 3^3\times {\mathrm{71}}^1\times {\mathrm{20939}}^1$

素因数の和:21027

約数の個数: 80

約数和(自身を含む): 1869523200

約数和(自身を除く): 1227282192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 71, 72, 108, 142, 144, 213, 216, 284, 426, 432, 568, 639, 852, 1136, 1278, 1704, 1917, 2556, 3408, 3834, 5112, 7668, 10224, 15336, 20939, 30672, 41878, 62817, 83756, 125634, 167512, 188451, 251268, 335024, 376902, 502536, 565353, 753804, 1005072, 1130706, 1486669, 1507608, 2261412, 2973338, 3015216, 4460007, 4522824, 5946676, 8920014, 9045648, 11893352, 13380021, 17840028, 23786704, 26760042, 35680056, 40140063, 53520084, 71360112, 80280126, 107040168, 160560252, 214080336, 321120504, 642241008]

約数ペア:

[(1, 642241008), (2, 321120504), (3, 214080336), (4, 160560252), (6, 107040168), (8, 80280126), (9, 71360112), (12, 53520084), (16, 40140063), (18, 35680056), (24, 26760042), (27, 23786704), (36, 17840028), (48, 13380021), (54, 11893352), (71, 9045648), (72, 8920014), (108, 5946676), (142, 4522824), (144, 4460007), (213, 3015216), (216, 2973338), (284, 2261412), (426, 1507608), (432, 1486669), (568, 1130706), (639, 1005072), (852, 753804), (1136, 565353), (1278, 502536), (1704, 376902), (1917, 335024), (2556, 251268), (3408, 188451), (3834, 167512), (5112, 125634), (7668, 83756), (10224, 62817), (15336, 41878), (20939, 30672)]