18039840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 288

約数和(自身を含む): 72394560

約数和(自身を除く): 54354720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 59, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 118, 120, 130, 140, 147, 156, 160, 168, 177, 182, 195, 196, 208, 210, 224, 236, 240, 245, 260, 273, 280, 294, 295, 312, 336, 354, 364, 390, 392, 413, 416, 420, 455, 472, 480, 490, 520, 546, 560, 588, 590, 624, 637, 672, 708, 728, 735, 767, 780, 784, 826, 840, 885, 910, 944, 980, 1040, 1092, 1120, 1176, 1180, 1239, 1248, 1274, 1365, 1416, 1456, 1470, 1534, 1560, 1568, 1652, 1680, 1770, 1820, 1888, 1911, 1960, 2065, 2080, 2184, 2301, 2352, 2360, 2478, 2548, 2730, 2832, 2891, 2912, 2940, 3068, 3120, 3185, 3304, 3360, 3540, 3640, 3822, 3835, 3920, 4130, 4368, 4602, 4704, 4720, 4956, 5096, 5369, 5460, 5664, 5782, 5880, 6136, 6195, 6240, 6370, 6608, 7080, 7280, 7644, 7670, 7840, 8260, 8673, 8736, 9204, 9440, 9555, 9912, 10192, 10738, 10920, 11505, 11564, 11760, 12272, 12390, 12740, 13216, 14160, 14455, 14560, 15288, 15340, 16107, 16520, 17346, 18408, 19110, 19824, 20384, 21476, 21840, 23010, 23128, 23520, 24544, 24780, 25480, 26845, 28320, 28910, 30576, 30680, 32214, 33040, 34692, 36816, 37583, 38220, 39648, 42952, 43365, 43680, 46020, 46256, 49560, 50960, 53690, 57820, 61152, 61360, 64428, 66080, 69384, 73632, 75166, 76440, 80535, 85904, 86730, 92040, 92512, 99120, 101920, 107380, 112749, 115640, 122720, 128856, 138768, 150332, 152880, 161070, 171808, 173460, 184080, 187915, 198240, 214760, 225498, 231280, 257712, 277536, 300664, 305760, 322140, 346920, 368160, 375830, 429520, 450996, 462560, 515424, 563745, 601328, 644280, 693840, 751660, 859040, 901992, 1127490, 1202656, 1288560, 1387680, 1503320, 1803984, 2254980, 2577120, 3006640, 3607968, 4509960, 6013280, 9019920, 18039840]

約数ペア:

[(1, 18039840), (2, 9019920), (3, 6013280), (4, 4509960), (5, 3607968), (6, 3006640), (7, 2577120), (8, 2254980), (10, 1803984), (12, 1503320), (13, 1387680), (14, 1288560), (15, 1202656), (16, 1127490), (20, 901992), (21, 859040), (24, 751660), (26, 693840), (28, 644280), (30, 601328), (32, 563745), (35, 515424), (39, 462560), (40, 450996), (42, 429520), (48, 375830), (49, 368160), (52, 346920), (56, 322140), (59, 305760), (60, 300664), (65, 277536), (70, 257712), (78, 231280), (80, 225498), (84, 214760), (91, 198240), (96, 187915), (98, 184080), (104, 173460), (105, 171808), (112, 161070), (118, 152880), (120, 150332), (130, 138768), (140, 128856), (147, 122720), (156, 115640), (160, 112749), (168, 107380), (177, 101920), (182, 99120), (195, 92512), (196, 92040), (208, 86730), (210, 85904), (224, 80535), (236, 76440), (240, 75166), (245, 73632), (260, 69384), (273, 66080), (280, 64428), (294, 61360), (295, 61152), (312, 57820), (336, 53690), (354, 50960), (364, 49560), (390, 46256), (392, 46020), (413, 43680), (416, 43365), (420, 42952), (455, 39648), (472, 38220), (480, 37583), (490, 36816), (520, 34692), (546, 33040), (560, 32214), (588, 30680), (590, 30576), (624, 28910), (637, 28320), (672, 26845), (708, 25480), (728, 24780), (735, 24544), (767, 23520), (780, 23128), (784, 23010), (826, 21840), (840, 21476), (885, 20384), (910, 19824), (944, 19110), (980, 18408), (1040, 17346), (1092, 16520), (1120, 16107), (1176, 15340), (1180, 15288), (1239, 14560), (1248, 14455), (1274, 14160), (1365, 13216), (1416, 12740), (1456, 12390), (1470, 12272), (1534, 11760), (1560, 11564), (1568, 11505), (1652, 10920), (1680, 10738), (1770, 10192), (1820, 9912), (1888, 9555), (1911, 9440), (1960, 9204), (2065, 8736), (2080, 8673), (2184, 8260), (2301, 7840), (2352, 7670), (2360, 7644), (2478, 7280), (2548, 7080), (2730, 6608), (2832, 6370), (2891, 6240), (2912, 6195), (2940, 6136), (3068, 5880), (3120, 5782), (3185, 5664), (3304, 5460), (3360, 5369), (3540, 5096), (3640, 4956), (3822, 4720), (3835, 4704), (3920, 4602), (4130, 4368)]