1640391480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16691}}^1$

素因数の和:16731

約数の個数: 256

約数和(自身を含む): 6730214400

約数和(自身を除く): 5089822920

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, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5460, 6552, 7020, 7560, 8190, 9828, 10920, 12285, 14040, 16380, 16691, 19656, 24570, 32760, 33382, 49140, 50073, 66764, 83455, 98280, 100146, 116837, 133528, 150219, 166910, 200292, 216983, 233674, 250365, 300438, 333820, 350511, 400584, 433966, 450657, 467348, 500730, 584185, 600876, 650949, 667640, 701022, 751095, 867932, 901314, 934696, 1001460, 1051533, 1084915, 1168370, 1201752, 1301898, 1402044, 1502190, 1518881, 1735864, 1752555, 1802628, 1952847, 2002920, 2103066, 2169830, 2253285, 2336740, 2603796, 2804088, 3004380, 3037762, 3154599, 3254745, 3505110, 3605256, 3905694, 4206132, 4339660, 4506570, 4556643, 4673480, 5207592, 5257665, 5858541, 6008760, 6075524, 6309198, 6509490, 7010220, 7594405, 7811388, 8412264, 8679320, 9013140, 9113286, 9764235, 10515330, 11717082, 12151048, 12618396, 13018980, 13669929, 14020440, 15188810, 15622776, 15772995, 18026280, 18226572, 19528470, 21030660, 22783215, 23434164, 25236792, 26037960, 27339858, 29292705, 30377620, 31545990, 36453144, 39056940, 41009787, 42061320, 45566430, 46868328, 54679716, 58585410, 60755240, 63091980, 68349645, 78113880, 82019574, 91132860, 109359432, 117170820, 126183960, 136699290, 164039148, 182265720, 205048935, 234341640, 273398580, 328078296, 410097870, 546797160, 820195740, 1640391480]

約数ペア:

[(1, 1640391480), (2, 820195740), (3, 546797160), (4, 410097870), (5, 328078296), (6, 273398580), (7, 234341640), (8, 205048935), (9, 182265720), (10, 164039148), (12, 136699290), (13, 126183960), (14, 117170820), (15, 109359432), (18, 91132860), (20, 82019574), (21, 78113880), (24, 68349645), (26, 63091980), (27, 60755240), (28, 58585410), (30, 54679716), (35, 46868328), (36, 45566430), (39, 42061320), (40, 41009787), (42, 39056940), (45, 36453144), (52, 31545990), (54, 30377620), (56, 29292705), (60, 27339858), (63, 26037960), (65, 25236792), (70, 23434164), (72, 22783215), (78, 21030660), (84, 19528470), (90, 18226572), (91, 18026280), (104, 15772995), (105, 15622776), (108, 15188810), (117, 14020440), (120, 13669929), (126, 13018980), (130, 12618396), (135, 12151048), (140, 11717082), (156, 10515330), (168, 9764235), (180, 9113286), (182, 9013140), (189, 8679320), (195, 8412264), (210, 7811388), (216, 7594405), (234, 7010220), (252, 6509490), (260, 6309198), (270, 6075524), (273, 6008760), (280, 5858541), (312, 5257665), (315, 5207592), (351, 4673480), (360, 4556643), (364, 4506570), (378, 4339660), (390, 4206132), (420, 3905694), (455, 3605256), (468, 3505110), (504, 3254745), (520, 3154599), (540, 3037762), (546, 3004380), (585, 2804088), (630, 2603796), (702, 2336740), (728, 2253285), (756, 2169830), (780, 2103066), (819, 2002920), (840, 1952847), (910, 1802628), (936, 1752555), (945, 1735864), (1080, 1518881), (1092, 1502190), (1170, 1402044), (1260, 1301898), (1365, 1201752), (1404, 1168370), (1512, 1084915), (1560, 1051533), (1638, 1001460), (1755, 934696), (1820, 901314), (1890, 867932), (2184, 751095), (2340, 701022), (2457, 667640), (2520, 650949), (2730, 600876), (2808, 584185), (3276, 500730), (3510, 467348), (3640, 450657), (3780, 433966), (4095, 400584), (4680, 350511), (4914, 333820), (5460, 300438), (6552, 250365), (7020, 233674), (7560, 216983), (8190, 200292), (9828, 166910), (10920, 150219), (12285, 133528), (14040, 116837), (16380, 100146), (16691, 98280), (19656, 83455), (24570, 66764), (32760, 50073), (33382, 49140)]