1998898720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 384

約数和(自身を含む): 6242697216

約数和(自身を除く): 4243798496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 47, 52, 56, 65, 70, 80, 91, 92, 94, 104, 112, 115, 127, 130, 140, 160, 161, 182, 184, 188, 208, 224, 230, 235, 254, 260, 280, 299, 322, 329, 364, 368, 376, 416, 455, 460, 470, 508, 520, 560, 598, 611, 635, 644, 658, 728, 736, 752, 805, 889, 910, 920, 940, 1016, 1040, 1081, 1120, 1196, 1222, 1270, 1288, 1316, 1456, 1495, 1504, 1610, 1645, 1651, 1778, 1820, 1840, 1880, 2032, 2080, 2093, 2162, 2392, 2444, 2540, 2576, 2632, 2912, 2921, 2990, 3055, 3220, 3290, 3302, 3556, 3640, 3680, 3760, 4064, 4186, 4277, 4324, 4445, 4784, 4888, 5080, 5152, 5264, 5405, 5842, 5969, 5980, 6110, 6440, 6580, 6604, 7112, 7280, 7520, 7567, 8255, 8372, 8554, 8648, 8890, 9568, 9776, 10160, 10465, 10528, 10810, 11557, 11684, 11938, 11960, 12220, 12880, 13160, 13208, 14053, 14224, 14560, 14605, 15134, 16510, 16744, 17108, 17296, 17780, 19552, 20320, 20447, 20930, 21385, 21620, 23114, 23368, 23876, 23920, 24440, 25760, 26320, 26416, 28106, 28448, 29210, 29845, 30268, 33020, 33488, 34216, 34592, 35560, 37835, 37973, 40894, 41783, 41860, 42770, 43240, 46228, 46736, 47752, 47840, 48880, 52640, 52832, 56212, 57785, 58420, 59690, 60536, 66040, 66976, 68432, 70265, 71120, 75670, 75946, 77597, 81788, 83566, 83720, 85540, 86480, 92456, 93472, 95504, 97760, 98371, 102235, 112424, 115570, 116840, 119380, 121072, 132080, 136864, 137287, 140530, 142240, 151340, 151892, 155194, 163576, 167132, 167440, 171080, 172960, 184912, 189865, 191008, 196742, 204470, 208915, 224848, 231140, 233680, 238760, 242144, 264160, 265811, 274574, 281060, 302680, 303784, 310388, 327152, 334264, 334880, 342160, 369824, 379730, 387985, 393484, 408940, 417830, 449696, 462280, 467360, 477520, 491855, 531622, 543179, 549148, 562120, 605360, 607568, 620776, 654304, 668528, 684320, 686435, 759460, 775970, 786968, 817880, 835660, 924560, 955040, 961009, 983710, 1063244, 1086358, 1098296, 1124240, 1210720, 1215136, 1241552, 1329055, 1337056, 1372870, 1518920, 1551940, 1573936, 1635760, 1671320, 1784731, 1849120, 1922018, 1967420, 2126488, 2172716, 2196592, 2248480, 2483104, 2658110, 2715895, 2745740, 3037840, 3103880, 3147872, 3271520, 3342640, 3569462, 3844036, 3934840, 4252976, 4345432, 4393184, 4805045, 5316220, 5431790, 5491480, 6075680, 6207760, 6685280, 7138924, 7688072, 7869680, 8505952, 8690864, 8923655, 9610090, 10632440, 10863580, 10982960, 12415520, 12493117, 14277848, 15376144, 15739360, 17381728, 17847310, 19220180, 21264880, 21727160, 21965920, 24986234, 28555696, 30752288, 35694620, 38440360, 42529760, 43454320, 49972468, 57111392, 62465585, 71389240, 76880720, 86908640, 99944936, 124931170, 142778480, 153761440, 199889872, 249862340, 285556960, 399779744, 499724680, 999449360, 1998898720]

約数ペア:

[(1, 1998898720), (2, 999449360), (4, 499724680), (5, 399779744), (7, 285556960), (8, 249862340), (10, 199889872), (13, 153761440), (14, 142778480), (16, 124931170), (20, 99944936), (23, 86908640), (26, 76880720), (28, 71389240), (32, 62465585), (35, 57111392), (40, 49972468), (46, 43454320), (47, 42529760), (52, 38440360), (56, 35694620), (65, 30752288), (70, 28555696), (80, 24986234), (91, 21965920), (92, 21727160), (94, 21264880), (104, 19220180), (112, 17847310), (115, 17381728), (127, 15739360), (130, 15376144), (140, 14277848), (160, 12493117), (161, 12415520), (182, 10982960), (184, 10863580), (188, 10632440), (208, 9610090), (224, 8923655), (230, 8690864), (235, 8505952), (254, 7869680), (260, 7688072), (280, 7138924), (299, 6685280), (322, 6207760), (329, 6075680), (364, 5491480), (368, 5431790), (376, 5316220), (416, 4805045), (455, 4393184), (460, 4345432), (470, 4252976), (508, 3934840), (520, 3844036), (560, 3569462), (598, 3342640), (611, 3271520), (635, 3147872), (644, 3103880), (658, 3037840), (728, 2745740), (736, 2715895), (752, 2658110), (805, 2483104), (889, 2248480), (910, 2196592), (920, 2172716), (940, 2126488), (1016, 1967420), (1040, 1922018), (1081, 1849120), (1120, 1784731), (1196, 1671320), (1222, 1635760), (1270, 1573936), (1288, 1551940), (1316, 1518920), (1456, 1372870), (1495, 1337056), (1504, 1329055), (1610, 1241552), (1645, 1215136), (1651, 1210720), (1778, 1124240), (1820, 1098296), (1840, 1086358), (1880, 1063244), (2032, 983710), (2080, 961009), (2093, 955040), (2162, 924560), (2392, 835660), (2444, 817880), (2540, 786968), (2576, 775970), (2632, 759460), (2912, 686435), (2921, 684320), (2990, 668528), (3055, 654304), (3220, 620776), (3290, 607568), (3302, 605360), (3556, 562120), (3640, 549148), (3680, 543179), (3760, 531622), (4064, 491855), (4186, 477520), (4277, 467360), (4324, 462280), (4445, 449696), (4784, 417830), (4888, 408940), (5080, 393484), (5152, 387985), (5264, 379730), (5405, 369824), (5842, 342160), (5969, 334880), (5980, 334264), (6110, 327152), (6440, 310388), (6580, 303784), (6604, 302680), (7112, 281060), (7280, 274574), (7520, 265811), (7567, 264160), (8255, 242144), (8372, 238760), (8554, 233680), (8648, 231140), (8890, 224848), (9568, 208915), (9776, 204470), (10160, 196742), (10465, 191008), (10528, 189865), (10810, 184912), (11557, 172960), (11684, 171080), (11938, 167440), (11960, 167132), (12220, 163576), (12880, 155194), (13160, 151892), (13208, 151340), (14053, 142240), (14224, 140530), (14560, 137287), (14605, 136864), (15134, 132080), (16510, 121072), (16744, 119380), (17108, 116840), (17296, 115570), (17780, 112424), (19552, 102235), (20320, 98371), (20447, 97760), (20930, 95504), (21385, 93472), (21620, 92456), (23114, 86480), (23368, 85540), (23876, 83720), (23920, 83566), (24440, 81788), (25760, 77597), (26320, 75946), (26416, 75670), (28106, 71120), (28448, 70265), (29210, 68432), (29845, 66976), (30268, 66040), (33020, 60536), (33488, 59690), (34216, 58420), (34592, 57785), (35560, 56212), (37835, 52832), (37973, 52640), (40894, 48880), (41783, 47840), (41860, 47752), (42770, 46736), (43240, 46228)]