256924080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2683}}^1$

素因数の和:2728

約数の個数: 240

約数和(自身を含む): 1038385920

約数和(自身を除く): 781461840

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, 2280, 2394, 2520, 2660, 2683, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5366, 5985, 6384, 6840, 7980, 8049, 9576, 10640, 10732, 11970, 13415, 13680, 15960, 16098, 18781, 19152, 21464, 23940, 24147, 26830, 31920, 32196, 37562, 40245, 42928, 47880, 48294, 50977, 53660, 56343, 64392, 75124, 80490, 93905, 95760, 96588, 101954, 107320, 112686, 120735, 128784, 150248, 152931, 160980, 169029, 187810, 193176, 203908, 214640, 225372, 241470, 254885, 281715, 300496, 305862, 321960, 338058, 356839, 375620, 386352, 407816, 450744, 458793, 482940, 509770, 563430, 611724, 643920, 676116, 713678, 751240, 764655, 815632, 845145, 901488, 917586, 965880, 1019540, 1070517, 1126860, 1223448, 1352232, 1427356, 1502480, 1529310, 1690290, 1784195, 1835172, 1931760, 2039080, 2141034, 2253720, 2293965, 2446896, 2704464, 2854712, 3058620, 3211551, 3380580, 3568390, 3670344, 4078160, 4282068, 4507440, 4587930, 5352585, 5709424, 6117240, 6423102, 6761160, 7136780, 7340688, 8564136, 9175860, 10705170, 12234480, 12846204, 13522320, 14273560, 16057755, 17128272, 18351720, 21410340, 25692408, 28547120, 32115510, 36703440, 42820680, 51384816, 64231020, 85641360, 128462040, 256924080]

約数ペア:

[(1, 256924080), (2, 128462040), (3, 85641360), (4, 64231020), (5, 51384816), (6, 42820680), (7, 36703440), (8, 32115510), (9, 28547120), (10, 25692408), (12, 21410340), (14, 18351720), (15, 17128272), (16, 16057755), (18, 14273560), (19, 13522320), (20, 12846204), (21, 12234480), (24, 10705170), (28, 9175860), (30, 8564136), (35, 7340688), (36, 7136780), (38, 6761160), (40, 6423102), (42, 6117240), (45, 5709424), (48, 5352585), (56, 4587930), (57, 4507440), (60, 4282068), (63, 4078160), (70, 3670344), (72, 3568390), (76, 3380580), (80, 3211551), (84, 3058620), (90, 2854712), (95, 2704464), (105, 2446896), (112, 2293965), (114, 2253720), (120, 2141034), (126, 2039080), (133, 1931760), (140, 1835172), (144, 1784195), (152, 1690290), (168, 1529310), (171, 1502480), (180, 1427356), (190, 1352232), (210, 1223448), (228, 1126860), (240, 1070517), (252, 1019540), (266, 965880), (280, 917586), (285, 901488), (304, 845145), (315, 815632), (336, 764655), (342, 751240), (360, 713678), (380, 676116), (399, 643920), (420, 611724), (456, 563430), (504, 509770), (532, 482940), (560, 458793), (570, 450744), (630, 407816), (665, 386352), (684, 375620), (720, 356839), (760, 338058), (798, 321960), (840, 305862), (855, 300496), (912, 281715), (1008, 254885), (1064, 241470), (1140, 225372), (1197, 214640), (1260, 203908), (1330, 193176), (1368, 187810), (1520, 169029), (1596, 160980), (1680, 152931), (1710, 150248), (1995, 128784), (2128, 120735), (2280, 112686), (2394, 107320), (2520, 101954), (2660, 96588), (2683, 95760), (2736, 93905), (3192, 80490), (3420, 75124), (3990, 64392), (4560, 56343), (4788, 53660), (5040, 50977), (5320, 48294), (5366, 47880), (5985, 42928), (6384, 40245), (6840, 37562), (7980, 32196), (8049, 31920), (9576, 26830), (10640, 24147), (10732, 23940), (11970, 21464), (13415, 19152), (13680, 18781), (15960, 16098)]