81474120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 256

約数和(自身を含む): 334656000

約数和(自身を除く): 253181880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 829, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1658, 1755, 1820, 1890, 2184, 2340, 2457, 2487, 2520, 2730, 2808, 3276, 3316, 3510, 3640, 3780, 4095, 4145, 4680, 4914, 4974, 5460, 5803, 6552, 6632, 7020, 7461, 7560, 8190, 8290, 9828, 9948, 10777, 10920, 11606, 12285, 12435, 14040, 14922, 16380, 16580, 17409, 19656, 19896, 21554, 22383, 23212, 24570, 24870, 29015, 29844, 32331, 32760, 33160, 34818, 37305, 43108, 44766, 46424, 49140, 49740, 52227, 53885, 58030, 59688, 64662, 69636, 74610, 75439, 86216, 87045, 89532, 96993, 98280, 99480, 104454, 107770, 111915, 116060, 129324, 139272, 149220, 150878, 156681, 161655, 174090, 179064, 193986, 208908, 215540, 223830, 226317, 232120, 258648, 261135, 290979, 298440, 301756, 313362, 323310, 348180, 377195, 387972, 417816, 431080, 447660, 452634, 484965, 522270, 581958, 603512, 626724, 646620, 678951, 696360, 754390, 775944, 783405, 895320, 905268, 969930, 1044540, 1131585, 1163916, 1253448, 1293240, 1357902, 1454895, 1508780, 1566810, 1810536, 1939860, 2036853, 2089080, 2263170, 2327832, 2715804, 2909790, 3017560, 3133620, 3394755, 3879720, 4073706, 4526340, 5431608, 5819580, 6267240, 6789510, 8147412, 9052680, 10184265, 11639160, 13579020, 16294824, 20368530, 27158040, 40737060, 81474120]

約数ペア:

[(1, 81474120), (2, 40737060), (3, 27158040), (4, 20368530), (5, 16294824), (6, 13579020), (7, 11639160), (8, 10184265), (9, 9052680), (10, 8147412), (12, 6789510), (13, 6267240), (14, 5819580), (15, 5431608), (18, 4526340), (20, 4073706), (21, 3879720), (24, 3394755), (26, 3133620), (27, 3017560), (28, 2909790), (30, 2715804), (35, 2327832), (36, 2263170), (39, 2089080), (40, 2036853), (42, 1939860), (45, 1810536), (52, 1566810), (54, 1508780), (56, 1454895), (60, 1357902), (63, 1293240), (65, 1253448), (70, 1163916), (72, 1131585), (78, 1044540), (84, 969930), (90, 905268), (91, 895320), (104, 783405), (105, 775944), (108, 754390), (117, 696360), (120, 678951), (126, 646620), (130, 626724), (135, 603512), (140, 581958), (156, 522270), (168, 484965), (180, 452634), (182, 447660), (189, 431080), (195, 417816), (210, 387972), (216, 377195), (234, 348180), (252, 323310), (260, 313362), (270, 301756), (273, 298440), (280, 290979), (312, 261135), (315, 258648), (351, 232120), (360, 226317), (364, 223830), (378, 215540), (390, 208908), (420, 193986), (455, 179064), (468, 174090), (504, 161655), (520, 156681), (540, 150878), (546, 149220), (585, 139272), (630, 129324), (702, 116060), (728, 111915), (756, 107770), (780, 104454), (819, 99480), (829, 98280), (840, 96993), (910, 89532), (936, 87045), (945, 86216), (1080, 75439), (1092, 74610), (1170, 69636), (1260, 64662), (1365, 59688), (1404, 58030), (1512, 53885), (1560, 52227), (1638, 49740), (1658, 49140), (1755, 46424), (1820, 44766), (1890, 43108), (2184, 37305), (2340, 34818), (2457, 33160), (2487, 32760), (2520, 32331), (2730, 29844), (2808, 29015), (3276, 24870), (3316, 24570), (3510, 23212), (3640, 22383), (3780, 21554), (4095, 19896), (4145, 19656), (4680, 17409), (4914, 16580), (4974, 16380), (5460, 14922), (5803, 14040), (6552, 12435), (6632, 12285), (7020, 11606), (7461, 10920), (7560, 10777), (8190, 9948), (8290, 9828)]