17778160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 25969040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 97, 116, 145, 158, 194, 232, 290, 316, 388, 395, 464, 485, 580, 632, 776, 790, 970, 1160, 1264, 1552, 1580, 1940, 2291, 2320, 2813, 3160, 3880, 4582, 5626, 6320, 7663, 7760, 9164, 11252, 11455, 14065, 15326, 18328, 22504, 22910, 28130, 30652, 36656, 38315, 45008, 45820, 56260, 61304, 76630, 91640, 112520, 122608, 153260, 183280, 222227, 225040, 306520, 444454, 613040, 888908, 1111135, 1777816, 2222270, 3555632, 4444540, 8889080, 17778160]

約数ペア:

[(1, 17778160), (2, 8889080), (4, 4444540), (5, 3555632), (8, 2222270), (10, 1777816), (16, 1111135), (20, 888908), (29, 613040), (40, 444454), (58, 306520), (79, 225040), (80, 222227), (97, 183280), (116, 153260), (145, 122608), (158, 112520), (194, 91640), (232, 76630), (290, 61304), (316, 56260), (388, 45820), (395, 45008), (464, 38315), (485, 36656), (580, 30652), (632, 28130), (776, 22910), (790, 22504), (970, 18328), (1160, 15326), (1264, 14065), (1552, 11455), (1580, 11252), (1940, 9164), (2291, 7760), (2320, 7663), (2813, 6320), (3160, 5626), (3880, 4582)]