18827885880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{1861}}^1$

素因数の和:2214

約数の個数: 192

約数和(自身を含む): 61957677600

約数和(自身を除く): 43129791720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 179, 180, 314, 358, 360, 471, 537, 628, 716, 785, 895, 942, 1074, 1256, 1413, 1432, 1570, 1611, 1790, 1861, 1884, 2148, 2355, 2685, 2826, 3140, 3222, 3580, 3722, 3768, 4296, 4710, 5370, 5583, 5652, 6280, 6444, 7065, 7160, 7444, 8055, 9305, 9420, 10740, 11166, 11304, 12888, 14130, 14888, 16110, 16749, 18610, 18840, 21480, 22332, 27915, 28103, 28260, 32220, 33498, 37220, 44664, 55830, 56206, 56520, 64440, 66996, 74440, 83745, 84309, 111660, 112412, 133992, 140515, 167490, 168618, 223320, 224824, 252927, 281030, 292177, 333119, 334980, 337236, 421545, 505854, 562060, 584354, 666238, 669960, 674472, 843090, 876531, 999357, 1011708, 1124120, 1168708, 1264635, 1332476, 1460885, 1665595, 1686180, 1753062, 1998714, 2023416, 2337416, 2529270, 2629593, 2664952, 2921770, 2998071, 3331190, 3372360, 3506124, 3997428, 4382655, 4996785, 5058540, 5259186, 5843540, 5996142, 6662380, 7012248, 7994856, 8765310, 9993570, 10117080, 10518372, 11687080, 11992284, 13147965, 13324760, 14990355, 17530620, 19987140, 21036744, 23984568, 26295930, 29980710, 35061240, 39974280, 52299683, 52591860, 59961420, 104599366, 105183720, 119922840, 156899049, 209198732, 261498415, 313798098, 418397464, 470697147, 522996830, 627596196, 784495245, 941394294, 1045993660, 1255192392, 1568990490, 1882788588, 2091987320, 2353485735, 3137980980, 3765577176, 4706971470, 6275961960, 9413942940, 18827885880]

約数ペア:

[(1, 18827885880), (2, 9413942940), (3, 6275961960), (4, 4706971470), (5, 3765577176), (6, 3137980980), (8, 2353485735), (9, 2091987320), (10, 1882788588), (12, 1568990490), (15, 1255192392), (18, 1045993660), (20, 941394294), (24, 784495245), (30, 627596196), (36, 522996830), (40, 470697147), (45, 418397464), (60, 313798098), (72, 261498415), (90, 209198732), (120, 156899049), (157, 119922840), (179, 105183720), (180, 104599366), (314, 59961420), (358, 52591860), (360, 52299683), (471, 39974280), (537, 35061240), (628, 29980710), (716, 26295930), (785, 23984568), (895, 21036744), (942, 19987140), (1074, 17530620), (1256, 14990355), (1413, 13324760), (1432, 13147965), (1570, 11992284), (1611, 11687080), (1790, 10518372), (1861, 10117080), (1884, 9993570), (2148, 8765310), (2355, 7994856), (2685, 7012248), (2826, 6662380), (3140, 5996142), (3222, 5843540), (3580, 5259186), (3722, 5058540), (3768, 4996785), (4296, 4382655), (4710, 3997428), (5370, 3506124), (5583, 3372360), (5652, 3331190), (6280, 2998071), (6444, 2921770), (7065, 2664952), (7160, 2629593), (7444, 2529270), (8055, 2337416), (9305, 2023416), (9420, 1998714), (10740, 1753062), (11166, 1686180), (11304, 1665595), (12888, 1460885), (14130, 1332476), (14888, 1264635), (16110, 1168708), (16749, 1124120), (18610, 1011708), (18840, 999357), (21480, 876531), (22332, 843090), (27915, 674472), (28103, 669960), (28260, 666238), (32220, 584354), (33498, 562060), (37220, 505854), (44664, 421545), (55830, 337236), (56206, 334980), (56520, 333119), (64440, 292177), (66996, 281030), (74440, 252927), (83745, 224824), (84309, 223320), (111660, 168618), (112412, 167490), (133992, 140515)]