1990319040

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2537

約数の個数: 280

約数和(自身を含む): 7311249792

約数和(自身を除く): 5320930752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 576, 620, 648, 720, 744, 810, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1728, 1860, 1984, 2160, 2232, 2477, 2480, 2511, 2592, 2790, 2880, 2976, 3240, 3348, 3720, 4185, 4320, 4464, 4954, 4960, 5022, 5184, 5580, 5952, 6480, 6696, 7431, 7440, 8370, 8640, 8928, 9908, 9920, 10044, 11160, 12385, 12555, 12960, 13392, 14862, 14880, 16740, 17856, 19816, 20088, 22293, 22320, 24770, 25110, 25920, 26784, 29724, 29760, 33480, 37155, 39632, 40176, 44586, 44640, 49540, 50220, 53568, 59448, 66879, 66960, 74310, 76787, 79264, 80352, 89172, 89280, 99080, 100440, 111465, 118896, 133758, 133920, 148620, 153574, 158528, 160704, 178344, 198160, 200637, 200880, 222930, 230361, 237792, 267516, 267840, 297240, 307148, 334395, 356688, 383935, 396320, 401274, 401760, 445860, 460722, 475584, 535032, 594480, 614296, 668790, 691083, 713376, 767870, 792640, 802548, 803520, 891720, 921444, 1003185, 1070064, 1151805, 1188960, 1228592, 1337580, 1382166, 1426752, 1535740, 1605096, 1783440, 1842888, 2006370, 2073249, 2140128, 2303610, 2377920, 2457184, 2675160, 2764332, 3071480, 3210192, 3455415, 3566880, 3685776, 4012740, 4146498, 4280256, 4607220, 4914368, 5350320, 5528664, 6142960, 6219747, 6420384, 6910830, 7133760, 7371552, 8025480, 8292996, 9214440, 10366245, 10700640, 11057328, 12285920, 12439494, 12840768, 13821660, 14743104, 16050960, 16585992, 18428880, 20732490, 21401280, 22114656, 24571840, 24878988, 27643320, 31098735, 32101920, 33171984, 36857760, 41464980, 44229312, 49757976, 55286640, 62197470, 64203840, 66343968, 73715520, 82929960, 99515952, 110573280, 124394940, 132687936, 165859920, 199031904, 221146560, 248789880, 331719840, 398063808, 497579760, 663439680, 995159520, 1990319040]

約数ペア:

[(1, 1990319040), (2, 995159520), (3, 663439680), (4, 497579760), (5, 398063808), (6, 331719840), (8, 248789880), (9, 221146560), (10, 199031904), (12, 165859920), (15, 132687936), (16, 124394940), (18, 110573280), (20, 99515952), (24, 82929960), (27, 73715520), (30, 66343968), (31, 64203840), (32, 62197470), (36, 55286640), (40, 49757976), (45, 44229312), (48, 41464980), (54, 36857760), (60, 33171984), (62, 32101920), (64, 31098735), (72, 27643320), (80, 24878988), (81, 24571840), (90, 22114656), (93, 21401280), (96, 20732490), (108, 18428880), (120, 16585992), (124, 16050960), (135, 14743104), (144, 13821660), (155, 12840768), (160, 12439494), (162, 12285920), (180, 11057328), (186, 10700640), (192, 10366245), (216, 9214440), (240, 8292996), (248, 8025480), (270, 7371552), (279, 7133760), (288, 6910830), (310, 6420384), (320, 6219747), (324, 6142960), (360, 5528664), (372, 5350320), (405, 4914368), (432, 4607220), (465, 4280256), (480, 4146498), (496, 4012740), (540, 3685776), (558, 3566880), (576, 3455415), (620, 3210192), (648, 3071480), (720, 2764332), (744, 2675160), (810, 2457184), (837, 2377920), (864, 2303610), (930, 2140128), (960, 2073249), (992, 2006370), (1080, 1842888), (1116, 1783440), (1240, 1605096), (1296, 1535740), (1395, 1426752), (1440, 1382166), (1488, 1337580), (1620, 1228592), (1674, 1188960), (1728, 1151805), (1860, 1070064), (1984, 1003185), (2160, 921444), (2232, 891720), (2477, 803520), (2480, 802548), (2511, 792640), (2592, 767870), (2790, 713376), (2880, 691083), (2976, 668790), (3240, 614296), (3348, 594480), (3720, 535032), (4185, 475584), (4320, 460722), (4464, 445860), (4954, 401760), (4960, 401274), (5022, 396320), (5184, 383935), (5580, 356688), (5952, 334395), (6480, 307148), (6696, 297240), (7431, 267840), (7440, 267516), (8370, 237792), (8640, 230361), (8928, 222930), (9908, 200880), (9920, 200637), (10044, 198160), (11160, 178344), (12385, 160704), (12555, 158528), (12960, 153574), (13392, 148620), (14862, 133920), (14880, 133758), (16740, 118896), (17856, 111465), (19816, 100440), (20088, 99080), (22293, 89280), (22320, 89172), (24770, 80352), (25110, 79264), (25920, 76787), (26784, 74310), (29724, 66960), (29760, 66879), (33480, 59448), (37155, 53568), (39632, 50220), (40176, 49540), (44586, 44640)]