205115880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{100547}}^1$

素因数の和:100578

約数の個数: 64

約数和(自身を含む): 651551040

約数和(自身を除く): 446435160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 100547, 201094, 301641, 402188, 502735, 603282, 804376, 1005470, 1206564, 1508205, 1709299, 2010940, 2413128, 3016410, 3418598, 4021880, 5127897, 6032820, 6837196, 8546495, 10255794, 12065640, 13674392, 17092990, 20511588, 25639485, 34185980, 41023176, 51278970, 68371960, 102557940, 205115880]

約数ペア:

[(1, 205115880), (2, 102557940), (3, 68371960), (4, 51278970), (5, 41023176), (6, 34185980), (8, 25639485), (10, 20511588), (12, 17092990), (15, 13674392), (17, 12065640), (20, 10255794), (24, 8546495), (30, 6837196), (34, 6032820), (40, 5127897), (51, 4021880), (60, 3418598), (68, 3016410), (85, 2413128), (102, 2010940), (120, 1709299), (136, 1508205), (170, 1206564), (204, 1005470), (255, 804376), (340, 603282), (408, 502735), (510, 402188), (680, 301641), (1020, 201094), (2040, 100547)]