257170320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1758

約数の個数: 240

約数和(自身を含む): 992347200

約数和(自身を除く): 735176880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1520, 1584, 1672, 1709, 1710, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3135, 3344, 3418, 3420, 3762, 3960, 4180, 4560, 5016, 5127, 6270, 6836, 6840, 7524, 7920, 8360, 8545, 9405, 10032, 10254, 12540, 13672, 13680, 15048, 15381, 16720, 17090, 18799, 18810, 20508, 25080, 25635, 27344, 30096, 30762, 32471, 34180, 37598, 37620, 41016, 50160, 51270, 56397, 61524, 64942, 68360, 75196, 75240, 76905, 82032, 93995, 97413, 102540, 112794, 123048, 129884, 136720, 150392, 150480, 153810, 162355, 169191, 187990, 194826, 205080, 225588, 246096, 259768, 281985, 292239, 300784, 307620, 324710, 338382, 357181, 375980, 389652, 410160, 451176, 487065, 519536, 563970, 584478, 615240, 649420, 676764, 714362, 751960, 779304, 845955, 902352, 974130, 1071543, 1127940, 1168956, 1230480, 1298840, 1353528, 1428724, 1461195, 1503920, 1558608, 1691910, 1785905, 1948260, 2143086, 2255880, 2337912, 2597680, 2707056, 2857448, 2922390, 3214629, 3383820, 3571810, 3896520, 4286172, 4511760, 4675824, 5357715, 5714896, 5844780, 6429258, 6767640, 7143620, 7793040, 8572344, 10715430, 11689560, 12858516, 13535280, 14287240, 16073145, 17144688, 21430860, 23379120, 25717032, 28574480, 32146290, 42861720, 51434064, 64292580, 85723440, 128585160, 257170320]

約数ペア:

[(1, 257170320), (2, 128585160), (3, 85723440), (4, 64292580), (5, 51434064), (6, 42861720), (8, 32146290), (9, 28574480), (10, 25717032), (11, 23379120), (12, 21430860), (15, 17144688), (16, 16073145), (18, 14287240), (19, 13535280), (20, 12858516), (22, 11689560), (24, 10715430), (30, 8572344), (33, 7793040), (36, 7143620), (38, 6767640), (40, 6429258), (44, 5844780), (45, 5714896), (48, 5357715), (55, 4675824), (57, 4511760), (60, 4286172), (66, 3896520), (72, 3571810), (76, 3383820), (80, 3214629), (88, 2922390), (90, 2857448), (95, 2707056), (99, 2597680), (110, 2337912), (114, 2255880), (120, 2143086), (132, 1948260), (144, 1785905), (152, 1691910), (165, 1558608), (171, 1503920), (176, 1461195), (180, 1428724), (190, 1353528), (198, 1298840), (209, 1230480), (220, 1168956), (228, 1127940), (240, 1071543), (264, 974130), (285, 902352), (304, 845955), (330, 779304), (342, 751960), (360, 714362), (380, 676764), (396, 649420), (418, 615240), (440, 584478), (456, 563970), (495, 519536), (528, 487065), (570, 451176), (627, 410160), (660, 389652), (684, 375980), (720, 357181), (760, 338382), (792, 324710), (836, 307620), (855, 300784), (880, 292239), (912, 281985), (990, 259768), (1045, 246096), (1140, 225588), (1254, 205080), (1320, 194826), (1368, 187990), (1520, 169191), (1584, 162355), (1672, 153810), (1709, 150480), (1710, 150392), (1881, 136720), (1980, 129884), (2090, 123048), (2280, 112794), (2508, 102540), (2640, 97413), (2736, 93995), (3135, 82032), (3344, 76905), (3418, 75240), (3420, 75196), (3762, 68360), (3960, 64942), (4180, 61524), (4560, 56397), (5016, 51270), (5127, 50160), (6270, 41016), (6836, 37620), (6840, 37598), (7524, 34180), (7920, 32471), (8360, 30762), (8545, 30096), (9405, 27344), (10032, 25635), (10254, 25080), (12540, 20508), (13672, 18810), (13680, 18799), (15048, 17090), (15381, 16720)]