40659840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:222

約数の個数: 256

約数和(自身を含む): 155937600

約数和(自身を除く): 115277760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 181, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 362, 384, 390, 416, 432, 468, 480, 520, 540, 543, 576, 585, 624, 640, 702, 720, 724, 780, 832, 864, 905, 936, 960, 1040, 1080, 1086, 1152, 1170, 1248, 1404, 1440, 1448, 1560, 1629, 1664, 1728, 1755, 1810, 1872, 1920, 2080, 2160, 2172, 2340, 2353, 2496, 2715, 2808, 2880, 2896, 3120, 3258, 3456, 3510, 3620, 3744, 4160, 4320, 4344, 4680, 4706, 4887, 4992, 5430, 5616, 5760, 5792, 6240, 6516, 7020, 7059, 7240, 7488, 8145, 8320, 8640, 8688, 9360, 9412, 9774, 10860, 11232, 11584, 11765, 12480, 13032, 14040, 14118, 14480, 14976, 16290, 17280, 17376, 18720, 18824, 19548, 21177, 21720, 22464, 23168, 23530, 24435, 24960, 26064, 28080, 28236, 28960, 32580, 34752, 35295, 37440, 37648, 39096, 42354, 43440, 44928, 47060, 48870, 52128, 56160, 56472, 57920, 63531, 65160, 69504, 70590, 74880, 75296, 78192, 84708, 86880, 94120, 97740, 104256, 105885, 112320, 112944, 115840, 127062, 130320, 141180, 150592, 156384, 169416, 173760, 188240, 195480, 208512, 211770, 224640, 225888, 254124, 260640, 282360, 301184, 312768, 317655, 338832, 347520, 376480, 390960, 423540, 451776, 508248, 521280, 564720, 625536, 635310, 677664, 752960, 781920, 847080, 903552, 1016496, 1042560, 1129440, 1270620, 1355328, 1505920, 1563840, 1694160, 2032992, 2258880, 2541240, 2710656, 3127680, 3388320, 4065984, 4517760, 5082480, 6776640, 8131968, 10164960, 13553280, 20329920, 40659840]

約数ペア:

[(1, 40659840), (2, 20329920), (3, 13553280), (4, 10164960), (5, 8131968), (6, 6776640), (8, 5082480), (9, 4517760), (10, 4065984), (12, 3388320), (13, 3127680), (15, 2710656), (16, 2541240), (18, 2258880), (20, 2032992), (24, 1694160), (26, 1563840), (27, 1505920), (30, 1355328), (32, 1270620), (36, 1129440), (39, 1042560), (40, 1016496), (45, 903552), (48, 847080), (52, 781920), (54, 752960), (60, 677664), (64, 635310), (65, 625536), (72, 564720), (78, 521280), (80, 508248), (90, 451776), (96, 423540), (104, 390960), (108, 376480), (117, 347520), (120, 338832), (128, 317655), (130, 312768), (135, 301184), (144, 282360), (156, 260640), (160, 254124), (180, 225888), (181, 224640), (192, 211770), (195, 208512), (208, 195480), (216, 188240), (234, 173760), (240, 169416), (260, 156384), (270, 150592), (288, 141180), (312, 130320), (320, 127062), (351, 115840), (360, 112944), (362, 112320), (384, 105885), (390, 104256), (416, 97740), (432, 94120), (468, 86880), (480, 84708), (520, 78192), (540, 75296), (543, 74880), (576, 70590), (585, 69504), (624, 65160), (640, 63531), (702, 57920), (720, 56472), (724, 56160), (780, 52128), (832, 48870), (864, 47060), (905, 44928), (936, 43440), (960, 42354), (1040, 39096), (1080, 37648), (1086, 37440), (1152, 35295), (1170, 34752), (1248, 32580), (1404, 28960), (1440, 28236), (1448, 28080), (1560, 26064), (1629, 24960), (1664, 24435), (1728, 23530), (1755, 23168), (1810, 22464), (1872, 21720), (1920, 21177), (2080, 19548), (2160, 18824), (2172, 18720), (2340, 17376), (2353, 17280), (2496, 16290), (2715, 14976), (2808, 14480), (2880, 14118), (2896, 14040), (3120, 13032), (3258, 12480), (3456, 11765), (3510, 11584), (3620, 11232), (3744, 10860), (4160, 9774), (4320, 9412), (4344, 9360), (4680, 8688), (4706, 8640), (4887, 8320), (4992, 8145), (5430, 7488), (5616, 7240), (5760, 7059), (5792, 7020), (6240, 6516)]