72417640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 170035200

約数和(自身を除く): 97617560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 163, 232, 290, 326, 383, 580, 652, 766, 815, 1160, 1304, 1532, 1630, 1915, 3064, 3260, 3830, 4727, 6520, 7660, 9454, 11107, 15320, 18908, 22214, 23635, 37816, 44428, 47270, 55535, 62429, 88856, 94540, 111070, 124858, 189080, 222140, 249716, 312145, 444280, 499432, 624290, 1248580, 1810441, 2497160, 3620882, 7241764, 9052205, 14483528, 18104410, 36208820, 72417640]

約数ペア:

[(1, 72417640), (2, 36208820), (4, 18104410), (5, 14483528), (8, 9052205), (10, 7241764), (20, 3620882), (29, 2497160), (40, 1810441), (58, 1248580), (116, 624290), (145, 499432), (163, 444280), (232, 312145), (290, 249716), (326, 222140), (383, 189080), (580, 124858), (652, 111070), (766, 94540), (815, 88856), (1160, 62429), (1304, 55535), (1532, 47270), (1630, 44428), (1915, 37816), (3064, 23635), (3260, 22214), (3830, 18908), (4727, 15320), (6520, 11107), (7660, 9454)]