161736080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1$

素因数の和:1032

約数の個数: 80

約数和(自身を含む): 412473600

約数和(自身を除く): 250737520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 440, 478, 769, 880, 956, 1195, 1538, 1912, 2390, 2629, 3076, 3824, 3845, 4780, 5258, 6152, 7690, 8459, 9560, 10516, 12304, 13145, 15380, 16918, 19120, 21032, 26290, 30760, 33836, 42064, 42295, 52580, 61520, 67672, 84590, 105160, 135344, 169180, 183791, 210320, 338360, 367582, 676720, 735164, 918955, 1470328, 1837910, 2021701, 2940656, 3675820, 4043402, 7351640, 8086804, 10108505, 14703280, 16173608, 20217010, 32347216, 40434020, 80868040, 161736080]

約数ペア:

[(1, 161736080), (2, 80868040), (4, 40434020), (5, 32347216), (8, 20217010), (10, 16173608), (11, 14703280), (16, 10108505), (20, 8086804), (22, 7351640), (40, 4043402), (44, 3675820), (55, 2940656), (80, 2021701), (88, 1837910), (110, 1470328), (176, 918955), (220, 735164), (239, 676720), (440, 367582), (478, 338360), (769, 210320), (880, 183791), (956, 169180), (1195, 135344), (1538, 105160), (1912, 84590), (2390, 67672), (2629, 61520), (3076, 52580), (3824, 42295), (3845, 42064), (4780, 33836), (5258, 30760), (6152, 26290), (7690, 21032), (8459, 19120), (9560, 16918), (10516, 15380), (12304, 13145)]