204895560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2137}}^1$

素因数の和:2215

約数の個数: 128

約数和(自身を含む): 665003520

約数和(自身を除く): 460107960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 47, 51, 60, 68, 85, 94, 102, 120, 136, 141, 170, 188, 204, 235, 255, 282, 340, 376, 408, 470, 510, 564, 680, 705, 799, 940, 1020, 1128, 1410, 1598, 1880, 2040, 2137, 2397, 2820, 3196, 3995, 4274, 4794, 5640, 6392, 6411, 7990, 8548, 9588, 10685, 11985, 12822, 15980, 17096, 19176, 21370, 23970, 25644, 31960, 32055, 36329, 42740, 47940, 51288, 64110, 72658, 85480, 95880, 100439, 108987, 128220, 145316, 181645, 200878, 217974, 256440, 290632, 301317, 363290, 401756, 435948, 502195, 544935, 602634, 726580, 803512, 871896, 1004390, 1089870, 1205268, 1453160, 1506585, 1707463, 2008780, 2179740, 2410536, 3013170, 3414926, 4017560, 4359480, 5122389, 6026340, 6829852, 8537315, 10244778, 12052680, 13659704, 17074630, 20489556, 25611945, 34149260, 40979112, 51223890, 68298520, 102447780, 204895560]

約数ペア:

[(1, 204895560), (2, 102447780), (3, 68298520), (4, 51223890), (5, 40979112), (6, 34149260), (8, 25611945), (10, 20489556), (12, 17074630), (15, 13659704), (17, 12052680), (20, 10244778), (24, 8537315), (30, 6829852), (34, 6026340), (40, 5122389), (47, 4359480), (51, 4017560), (60, 3414926), (68, 3013170), (85, 2410536), (94, 2179740), (102, 2008780), (120, 1707463), (136, 1506585), (141, 1453160), (170, 1205268), (188, 1089870), (204, 1004390), (235, 871896), (255, 803512), (282, 726580), (340, 602634), (376, 544935), (408, 502195), (470, 435948), (510, 401756), (564, 363290), (680, 301317), (705, 290632), (799, 256440), (940, 217974), (1020, 200878), (1128, 181645), (1410, 145316), (1598, 128220), (1880, 108987), (2040, 100439), (2137, 95880), (2397, 85480), (2820, 72658), (3196, 64110), (3995, 51288), (4274, 47940), (4794, 42740), (5640, 36329), (6392, 32055), (6411, 31960), (7990, 25644), (8548, 23970), (9588, 21370), (10685, 19176), (11985, 17096), (12822, 15980)]