261831960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1$

素因数の和:1147

約数の個数: 256

約数和(自身を含む): 996105600

約数和(自身を除く): 734273640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 51, 52, 54, 60, 65, 68, 72, 78, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 153, 156, 170, 180, 195, 204, 216, 221, 234, 255, 260, 270, 306, 312, 340, 351, 360, 390, 408, 442, 459, 468, 510, 520, 540, 585, 612, 663, 680, 702, 765, 780, 884, 918, 936, 1020, 1080, 1097, 1105, 1170, 1224, 1326, 1404, 1530, 1560, 1755, 1768, 1836, 1989, 2040, 2194, 2210, 2295, 2340, 2652, 2808, 3060, 3291, 3315, 3510, 3672, 3978, 4388, 4420, 4590, 4680, 5304, 5485, 5967, 6120, 6582, 6630, 7020, 7956, 8776, 8840, 9180, 9873, 9945, 10970, 11934, 13164, 13260, 14040, 14261, 15912, 16455, 18360, 18649, 19746, 19890, 21940, 23868, 26328, 26520, 28522, 29619, 29835, 32910, 37298, 39492, 39780, 42783, 43880, 47736, 49365, 55947, 57044, 59238, 59670, 65820, 71305, 74596, 78984, 79560, 85566, 93245, 98730, 111894, 114088, 118476, 119340, 128349, 131640, 142610, 148095, 149192, 167841, 171132, 186490, 197460, 213915, 223788, 236952, 238680, 242437, 256698, 279735, 285220, 296190, 335682, 342264, 372980, 385047, 394920, 427830, 447576, 484874, 503523, 513396, 559470, 570440, 592380, 641745, 671364, 727311, 745960, 770094, 839205, 855660, 969748, 1007046, 1026792, 1118940, 1184760, 1212185, 1283490, 1342728, 1454622, 1540188, 1678410, 1711320, 1925235, 1939496, 2014092, 2181933, 2237880, 2424370, 2517615, 2566980, 2909244, 3080376, 3356820, 3636555, 3850470, 4028184, 4363866, 4848740, 5035230, 5133960, 5818488, 6545799, 6713640, 7273110, 7700940, 8727732, 9697480, 10070460, 10909665, 13091598, 14546220, 15401880, 17455464, 20140920, 21819330, 26183196, 29092440, 32728995, 43638660, 52366392, 65457990, 87277320, 130915980, 261831960]

約数ペア:

[(1, 261831960), (2, 130915980), (3, 87277320), (4, 65457990), (5, 52366392), (6, 43638660), (8, 32728995), (9, 29092440), (10, 26183196), (12, 21819330), (13, 20140920), (15, 17455464), (17, 15401880), (18, 14546220), (20, 13091598), (24, 10909665), (26, 10070460), (27, 9697480), (30, 8727732), (34, 7700940), (36, 7273110), (39, 6713640), (40, 6545799), (45, 5818488), (51, 5133960), (52, 5035230), (54, 4848740), (60, 4363866), (65, 4028184), (68, 3850470), (72, 3636555), (78, 3356820), (85, 3080376), (90, 2909244), (102, 2566980), (104, 2517615), (108, 2424370), (117, 2237880), (120, 2181933), (130, 2014092), (135, 1939496), (136, 1925235), (153, 1711320), (156, 1678410), (170, 1540188), (180, 1454622), (195, 1342728), (204, 1283490), (216, 1212185), (221, 1184760), (234, 1118940), (255, 1026792), (260, 1007046), (270, 969748), (306, 855660), (312, 839205), (340, 770094), (351, 745960), (360, 727311), (390, 671364), (408, 641745), (442, 592380), (459, 570440), (468, 559470), (510, 513396), (520, 503523), (540, 484874), (585, 447576), (612, 427830), (663, 394920), (680, 385047), (702, 372980), (765, 342264), (780, 335682), (884, 296190), (918, 285220), (936, 279735), (1020, 256698), (1080, 242437), (1097, 238680), (1105, 236952), (1170, 223788), (1224, 213915), (1326, 197460), (1404, 186490), (1530, 171132), (1560, 167841), (1755, 149192), (1768, 148095), (1836, 142610), (1989, 131640), (2040, 128349), (2194, 119340), (2210, 118476), (2295, 114088), (2340, 111894), (2652, 98730), (2808, 93245), (3060, 85566), (3291, 79560), (3315, 78984), (3510, 74596), (3672, 71305), (3978, 65820), (4388, 59670), (4420, 59238), (4590, 57044), (4680, 55947), (5304, 49365), (5485, 47736), (5967, 43880), (6120, 42783), (6582, 39780), (6630, 39492), (7020, 37298), (7956, 32910), (8776, 29835), (8840, 29619), (9180, 28522), (9873, 26520), (9945, 26328), (10970, 23868), (11934, 21940), (13164, 19890), (13260, 19746), (14040, 18649), (14261, 18360), (15912, 16455)]