204639120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2182

約数の個数: 240

約数和(自身を含む): 827149440

約数和(自身を除く): 622510320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2137, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4274, 4560, 4788, 5040, 5320, 5985, 6384, 6411, 6840, 7980, 8548, 9576, 10640, 10685, 11970, 12822, 13680, 14959, 15960, 17096, 19152, 19233, 21370, 23940, 25644, 29918, 31920, 32055, 34192, 38466, 40603, 42740, 44877, 47880, 51288, 59836, 64110, 74795, 76932, 81206, 85480, 89754, 95760, 96165, 102576, 119672, 121809, 128220, 134631, 149590, 153864, 162412, 170960, 179508, 192330, 203015, 224385, 239344, 243618, 256440, 269262, 284221, 299180, 307728, 324824, 359016, 365427, 384660, 406030, 448770, 487236, 512880, 538524, 568442, 598360, 609045, 649648, 673155, 718032, 730854, 769320, 812060, 852663, 897540, 974472, 1077048, 1136884, 1196720, 1218090, 1346310, 1421105, 1461708, 1538640, 1624120, 1705326, 1795080, 1827135, 1948944, 2154096, 2273768, 2436180, 2557989, 2692620, 2842210, 2923416, 3248240, 3410652, 3590160, 3654270, 4263315, 4547536, 4872360, 5115978, 5385240, 5684420, 5846832, 6821304, 7308540, 8526630, 9744720, 10231956, 10770480, 11368840, 12789945, 13642608, 14617080, 17053260, 20463912, 22737680, 25579890, 29234160, 34106520, 40927824, 51159780, 68213040, 102319560, 204639120]

約数ペア:

[(1, 204639120), (2, 102319560), (3, 68213040), (4, 51159780), (5, 40927824), (6, 34106520), (7, 29234160), (8, 25579890), (9, 22737680), (10, 20463912), (12, 17053260), (14, 14617080), (15, 13642608), (16, 12789945), (18, 11368840), (19, 10770480), (20, 10231956), (21, 9744720), (24, 8526630), (28, 7308540), (30, 6821304), (35, 5846832), (36, 5684420), (38, 5385240), (40, 5115978), (42, 4872360), (45, 4547536), (48, 4263315), (56, 3654270), (57, 3590160), (60, 3410652), (63, 3248240), (70, 2923416), (72, 2842210), (76, 2692620), (80, 2557989), (84, 2436180), (90, 2273768), (95, 2154096), (105, 1948944), (112, 1827135), (114, 1795080), (120, 1705326), (126, 1624120), (133, 1538640), (140, 1461708), (144, 1421105), (152, 1346310), (168, 1218090), (171, 1196720), (180, 1136884), (190, 1077048), (210, 974472), (228, 897540), (240, 852663), (252, 812060), (266, 769320), (280, 730854), (285, 718032), (304, 673155), (315, 649648), (336, 609045), (342, 598360), (360, 568442), (380, 538524), (399, 512880), (420, 487236), (456, 448770), (504, 406030), (532, 384660), (560, 365427), (570, 359016), (630, 324824), (665, 307728), (684, 299180), (720, 284221), (760, 269262), (798, 256440), (840, 243618), (855, 239344), (912, 224385), (1008, 203015), (1064, 192330), (1140, 179508), (1197, 170960), (1260, 162412), (1330, 153864), (1368, 149590), (1520, 134631), (1596, 128220), (1680, 121809), (1710, 119672), (1995, 102576), (2128, 96165), (2137, 95760), (2280, 89754), (2394, 85480), (2520, 81206), (2660, 76932), (2736, 74795), (3192, 64110), (3420, 59836), (3990, 51288), (4274, 47880), (4560, 44877), (4788, 42740), (5040, 40603), (5320, 38466), (5985, 34192), (6384, 32055), (6411, 31920), (6840, 29918), (7980, 25644), (8548, 23940), (9576, 21370), (10640, 19233), (10685, 19152), (11970, 17096), (12822, 15960), (13680, 14959)]