642145920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2027

約数の個数: 192

約数和(自身を含む): 2217520800

約数和(自身を除く): 1575374880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 384, 390, 416, 480, 507, 520, 624, 640, 676, 780, 832, 845, 960, 1014, 1040, 1248, 1352, 1560, 1664, 1690, 1920, 1979, 2028, 2080, 2496, 2535, 2704, 3120, 3380, 3958, 4056, 4160, 4992, 5070, 5408, 5937, 6240, 6760, 7916, 8112, 8320, 9895, 10140, 10816, 11874, 12480, 13520, 15832, 16224, 19790, 20280, 21632, 23748, 24960, 25727, 27040, 29685, 31664, 32448, 39580, 40560, 47496, 51454, 54080, 59370, 63328, 64896, 77181, 79160, 81120, 94992, 102908, 108160, 118740, 126656, 128635, 154362, 158320, 162240, 189984, 205816, 237480, 253312, 257270, 308724, 316640, 324480, 334451, 379968, 385905, 411632, 474960, 514540, 617448, 633280, 668902, 759936, 771810, 823264, 949920, 1003353, 1029080, 1234896, 1266560, 1337804, 1543620, 1646528, 1672255, 1899840, 2006706, 2058160, 2469792, 2675608, 3087240, 3293056, 3344510, 3799680, 4013412, 4116320, 4939584, 5016765, 5351216, 6174480, 6689020, 8026824, 8232640, 9879168, 10033530, 10702432, 12348960, 13378040, 16053648, 16465280, 20067060, 21404864, 24697920, 26756080, 32107296, 40134120, 42809728, 49395840, 53512160, 64214592, 80268240, 107024320, 128429184, 160536480, 214048640, 321072960, 642145920]

約数ペア:

[(1, 642145920), (2, 321072960), (3, 214048640), (4, 160536480), (5, 128429184), (6, 107024320), (8, 80268240), (10, 64214592), (12, 53512160), (13, 49395840), (15, 42809728), (16, 40134120), (20, 32107296), (24, 26756080), (26, 24697920), (30, 21404864), (32, 20067060), (39, 16465280), (40, 16053648), (48, 13378040), (52, 12348960), (60, 10702432), (64, 10033530), (65, 9879168), (78, 8232640), (80, 8026824), (96, 6689020), (104, 6174480), (120, 5351216), (128, 5016765), (130, 4939584), (156, 4116320), (160, 4013412), (169, 3799680), (192, 3344510), (195, 3293056), (208, 3087240), (240, 2675608), (260, 2469792), (312, 2058160), (320, 2006706), (338, 1899840), (384, 1672255), (390, 1646528), (416, 1543620), (480, 1337804), (507, 1266560), (520, 1234896), (624, 1029080), (640, 1003353), (676, 949920), (780, 823264), (832, 771810), (845, 759936), (960, 668902), (1014, 633280), (1040, 617448), (1248, 514540), (1352, 474960), (1560, 411632), (1664, 385905), (1690, 379968), (1920, 334451), (1979, 324480), (2028, 316640), (2080, 308724), (2496, 257270), (2535, 253312), (2704, 237480), (3120, 205816), (3380, 189984), (3958, 162240), (4056, 158320), (4160, 154362), (4992, 128635), (5070, 126656), (5408, 118740), (5937, 108160), (6240, 102908), (6760, 94992), (7916, 81120), (8112, 79160), (8320, 77181), (9895, 64896), (10140, 63328), (10816, 59370), (11874, 54080), (12480, 51454), (13520, 47496), (15832, 40560), (16224, 39580), (19790, 32448), (20280, 31664), (21632, 29685), (23748, 27040), (24960, 25727)]