131447680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 256

約数和(自身を含む): 403724160

約数和(自身を除く): 272276480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 37, 40, 52, 56, 61, 64, 65, 70, 74, 80, 91, 104, 112, 122, 128, 130, 140, 148, 160, 182, 185, 208, 224, 244, 259, 260, 280, 296, 305, 320, 364, 370, 416, 427, 448, 455, 481, 488, 518, 520, 560, 592, 610, 640, 728, 740, 793, 832, 854, 896, 910, 962, 976, 1036, 1040, 1120, 1184, 1220, 1295, 1456, 1480, 1586, 1664, 1708, 1820, 1924, 1952, 2072, 2080, 2135, 2240, 2257, 2368, 2405, 2440, 2590, 2912, 2960, 3172, 3367, 3416, 3640, 3848, 3904, 3965, 4144, 4160, 4270, 4480, 4514, 4736, 4810, 4880, 5180, 5551, 5824, 5920, 6344, 6734, 6832, 7280, 7696, 7808, 7930, 8288, 8320, 8540, 9028, 9620, 9760, 10360, 11102, 11285, 11648, 11840, 12688, 13468, 13664, 14560, 15392, 15799, 15860, 16576, 16835, 17080, 18056, 19240, 19520, 20720, 22204, 22570, 23680, 25376, 26936, 27328, 27755, 29120, 29341, 30784, 31598, 31720, 33152, 33670, 34160, 36112, 38480, 39040, 41440, 44408, 45140, 50752, 53872, 54656, 55510, 58240, 58682, 61568, 63196, 63440, 67340, 68320, 72224, 76960, 78995, 82880, 88816, 90280, 101504, 107744, 111020, 117364, 126392, 126880, 134680, 136640, 144448, 146705, 153920, 157990, 165760, 177632, 180560, 205387, 215488, 222040, 234728, 252784, 253760, 269360, 273280, 288896, 293410, 307840, 315980, 355264, 361120, 410774, 430976, 444080, 469456, 505568, 507520, 538720, 586820, 631960, 710528, 722240, 821548, 888160, 938912, 1011136, 1026935, 1077440, 1173640, 1263920, 1444480, 1643096, 1776320, 1877824, 2022272, 2053870, 2154880, 2347280, 2527840, 3286192, 3552640, 3755648, 4107740, 4694560, 5055680, 6572384, 8215480, 9389120, 10111360, 13144768, 16430960, 18778240, 26289536, 32861920, 65723840, 131447680]

約数ペア:

[(1, 131447680), (2, 65723840), (4, 32861920), (5, 26289536), (7, 18778240), (8, 16430960), (10, 13144768), (13, 10111360), (14, 9389120), (16, 8215480), (20, 6572384), (26, 5055680), (28, 4694560), (32, 4107740), (35, 3755648), (37, 3552640), (40, 3286192), (52, 2527840), (56, 2347280), (61, 2154880), (64, 2053870), (65, 2022272), (70, 1877824), (74, 1776320), (80, 1643096), (91, 1444480), (104, 1263920), (112, 1173640), (122, 1077440), (128, 1026935), (130, 1011136), (140, 938912), (148, 888160), (160, 821548), (182, 722240), (185, 710528), (208, 631960), (224, 586820), (244, 538720), (259, 507520), (260, 505568), (280, 469456), (296, 444080), (305, 430976), (320, 410774), (364, 361120), (370, 355264), (416, 315980), (427, 307840), (448, 293410), (455, 288896), (481, 273280), (488, 269360), (518, 253760), (520, 252784), (560, 234728), (592, 222040), (610, 215488), (640, 205387), (728, 180560), (740, 177632), (793, 165760), (832, 157990), (854, 153920), (896, 146705), (910, 144448), (962, 136640), (976, 134680), (1036, 126880), (1040, 126392), (1120, 117364), (1184, 111020), (1220, 107744), (1295, 101504), (1456, 90280), (1480, 88816), (1586, 82880), (1664, 78995), (1708, 76960), (1820, 72224), (1924, 68320), (1952, 67340), (2072, 63440), (2080, 63196), (2135, 61568), (2240, 58682), (2257, 58240), (2368, 55510), (2405, 54656), (2440, 53872), (2590, 50752), (2912, 45140), (2960, 44408), (3172, 41440), (3367, 39040), (3416, 38480), (3640, 36112), (3848, 34160), (3904, 33670), (3965, 33152), (4144, 31720), (4160, 31598), (4270, 30784), (4480, 29341), (4514, 29120), (4736, 27755), (4810, 27328), (4880, 26936), (5180, 25376), (5551, 23680), (5824, 22570), (5920, 22204), (6344, 20720), (6734, 19520), (6832, 19240), (7280, 18056), (7696, 17080), (7808, 16835), (7930, 16576), (8288, 15860), (8320, 15799), (8540, 15392), (9028, 14560), (9620, 13664), (9760, 13468), (10360, 12688), (11102, 11840), (11285, 11648)]