172972360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1399}}^1$

素因数の和:1702

約数の個数: 64

約数和(自身を含む): 426384000

約数和(自身を除く): 253411640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 281, 440, 562, 1124, 1399, 1405, 2248, 2798, 2810, 3091, 5596, 5620, 6182, 6995, 11192, 11240, 12364, 13990, 15389, 15455, 24728, 27980, 30778, 30910, 55960, 61556, 61820, 76945, 123112, 123640, 153890, 307780, 393119, 615560, 786238, 1572476, 1965595, 3144952, 3931190, 4324309, 7862380, 8648618, 15724760, 17297236, 21621545, 34594472, 43243090, 86486180, 172972360]

約数ペア:

[(1, 172972360), (2, 86486180), (4, 43243090), (5, 34594472), (8, 21621545), (10, 17297236), (11, 15724760), (20, 8648618), (22, 7862380), (40, 4324309), (44, 3931190), (55, 3144952), (88, 1965595), (110, 1572476), (220, 786238), (281, 615560), (440, 393119), (562, 307780), (1124, 153890), (1399, 123640), (1405, 123112), (2248, 76945), (2798, 61820), (2810, 61556), (3091, 55960), (5596, 30910), (5620, 30778), (6182, 27980), (6995, 24728), (11192, 15455), (11240, 15389), (12364, 13990)]