261220960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 288

約数和(自身を含む): 847016352

約数和(自身を除く): 585795392

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 80, 88, 91, 98, 104, 110, 112, 130, 140, 143, 154, 160, 176, 182, 196, 208, 220, 224, 233, 245, 260, 280, 286, 308, 352, 364, 385, 392, 416, 440, 455, 466, 490, 520, 539, 560, 572, 616, 637, 715, 728, 770, 784, 880, 910, 932, 980, 1001, 1040, 1078, 1120, 1144, 1165, 1232, 1274, 1430, 1456, 1540, 1568, 1631, 1760, 1820, 1864, 1960, 2002, 2080, 2156, 2288, 2330, 2464, 2548, 2563, 2695, 2860, 2912, 3029, 3080, 3185, 3262, 3640, 3728, 3920, 4004, 4312, 4576, 4660, 5005, 5096, 5126, 5390, 5720, 6058, 6160, 6370, 6524, 7007, 7280, 7456, 7840, 8008, 8155, 8624, 9320, 10010, 10192, 10252, 10780, 11417, 11440, 12116, 12320, 12740, 12815, 13048, 14014, 14560, 15145, 16016, 16310, 17248, 17941, 18640, 20020, 20384, 20504, 21203, 21560, 22834, 22880, 24232, 25480, 25630, 26096, 28028, 30290, 32032, 32620, 33319, 35035, 35882, 37280, 40040, 41008, 42406, 43120, 45668, 48464, 50960, 51260, 52192, 56056, 57085, 60580, 65240, 66638, 70070, 71764, 80080, 82016, 84812, 86240, 89705, 91336, 96928, 101920, 102520, 106015, 112112, 114170, 121160, 125587, 130480, 133276, 140140, 143528, 148421, 160160, 166595, 169624, 179410, 182672, 205040, 212030, 224224, 228340, 233233, 242320, 251174, 260960, 266552, 280280, 287056, 296842, 333190, 339248, 358820, 365344, 410080, 424060, 456680, 466466, 484640, 502348, 533104, 560560, 574112, 593684, 627935, 666380, 678496, 717640, 742105, 848120, 913360, 932932, 1004696, 1066208, 1121120, 1166165, 1187368, 1255870, 1332760, 1435280, 1484210, 1632631, 1696240, 1826720, 1865864, 2009392, 2332330, 2374736, 2511740, 2665520, 2870560, 2968420, 3265262, 3392480, 3731728, 4018784, 4664660, 4749472, 5023480, 5331040, 5936840, 6530524, 7463456, 8163155, 9329320, 10046960, 11873680, 13061048, 16326310, 18658640, 20093920, 23747360, 26122096, 32652620, 37317280, 52244192, 65305240, 130610480, 261220960]

約数ペア:

[(1, 261220960), (2, 130610480), (4, 65305240), (5, 52244192), (7, 37317280), (8, 32652620), (10, 26122096), (11, 23747360), (13, 20093920), (14, 18658640), (16, 16326310), (20, 13061048), (22, 11873680), (26, 10046960), (28, 9329320), (32, 8163155), (35, 7463456), (40, 6530524), (44, 5936840), (49, 5331040), (52, 5023480), (55, 4749472), (56, 4664660), (65, 4018784), (70, 3731728), (77, 3392480), (80, 3265262), (88, 2968420), (91, 2870560), (98, 2665520), (104, 2511740), (110, 2374736), (112, 2332330), (130, 2009392), (140, 1865864), (143, 1826720), (154, 1696240), (160, 1632631), (176, 1484210), (182, 1435280), (196, 1332760), (208, 1255870), (220, 1187368), (224, 1166165), (233, 1121120), (245, 1066208), (260, 1004696), (280, 932932), (286, 913360), (308, 848120), (352, 742105), (364, 717640), (385, 678496), (392, 666380), (416, 627935), (440, 593684), (455, 574112), (466, 560560), (490, 533104), (520, 502348), (539, 484640), (560, 466466), (572, 456680), (616, 424060), (637, 410080), (715, 365344), (728, 358820), (770, 339248), (784, 333190), (880, 296842), (910, 287056), (932, 280280), (980, 266552), (1001, 260960), (1040, 251174), (1078, 242320), (1120, 233233), (1144, 228340), (1165, 224224), (1232, 212030), (1274, 205040), (1430, 182672), (1456, 179410), (1540, 169624), (1568, 166595), (1631, 160160), (1760, 148421), (1820, 143528), (1864, 140140), (1960, 133276), (2002, 130480), (2080, 125587), (2156, 121160), (2288, 114170), (2330, 112112), (2464, 106015), (2548, 102520), (2563, 101920), (2695, 96928), (2860, 91336), (2912, 89705), (3029, 86240), (3080, 84812), (3185, 82016), (3262, 80080), (3640, 71764), (3728, 70070), (3920, 66638), (4004, 65240), (4312, 60580), (4576, 57085), (4660, 56056), (5005, 52192), (5096, 51260), (5126, 50960), (5390, 48464), (5720, 45668), (6058, 43120), (6160, 42406), (6370, 41008), (6524, 40040), (7007, 37280), (7280, 35882), (7456, 35035), (7840, 33319), (8008, 32620), (8155, 32032), (8624, 30290), (9320, 28028), (10010, 26096), (10192, 25630), (10252, 25480), (10780, 24232), (11417, 22880), (11440, 22834), (12116, 21560), (12320, 21203), (12740, 20504), (12815, 20384), (13048, 20020), (14014, 18640), (14560, 17941), (15145, 17248), (16016, 16310)]