66197720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 155520000

約数和(自身を除く): 89322280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 383, 580, 596, 745, 766, 1160, 1192, 1490, 1532, 1915, 2980, 3064, 3830, 4321, 5960, 7660, 8642, 11107, 15320, 17284, 21605, 22214, 34568, 43210, 44428, 55535, 57067, 86420, 88856, 111070, 114134, 172840, 222140, 228268, 285335, 444280, 456536, 570670, 1141340, 1654943, 2282680, 3309886, 6619772, 8274715, 13239544, 16549430, 33098860, 66197720]

約数ペア:

[(1, 66197720), (2, 33098860), (4, 16549430), (5, 13239544), (8, 8274715), (10, 6619772), (20, 3309886), (29, 2282680), (40, 1654943), (58, 1141340), (116, 570670), (145, 456536), (149, 444280), (232, 285335), (290, 228268), (298, 222140), (383, 172840), (580, 114134), (596, 111070), (745, 88856), (766, 86420), (1160, 57067), (1192, 55535), (1490, 44428), (1532, 43210), (1915, 34568), (2980, 22214), (3064, 21605), (3830, 17284), (4321, 15320), (5960, 11107), (7660, 8642)]