20081553960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{6947}}^1$

素因数の和:7100

約数の個数: 256

約数和(自身を含む): 69335481600

約数和(自身を除く): 49253927640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 109, 120, 130, 136, 156, 170, 195, 204, 218, 221, 255, 260, 312, 327, 340, 390, 408, 436, 442, 510, 520, 545, 654, 663, 680, 780, 872, 884, 1020, 1090, 1105, 1308, 1326, 1417, 1560, 1635, 1768, 1853, 2040, 2180, 2210, 2616, 2652, 2834, 3270, 3315, 3706, 4251, 4360, 4420, 5304, 5559, 5668, 6540, 6630, 6947, 7085, 7412, 8502, 8840, 9265, 11118, 11336, 13080, 13260, 13894, 14170, 14824, 17004, 18530, 20841, 21255, 22236, 24089, 26520, 27788, 27795, 28340, 34008, 34735, 37060, 41682, 42510, 44472, 48178, 55576, 55590, 56680, 69470, 72267, 74120, 83364, 85020, 90311, 96356, 104205, 111180, 118099, 120445, 138940, 144534, 166728, 170040, 180622, 192712, 208410, 222360, 236198, 240890, 270933, 277880, 289068, 354297, 361244, 361335, 416820, 451555, 472396, 481780, 541866, 578136, 590495, 708594, 722488, 722670, 757223, 833640, 903110, 944792, 963560, 1083732, 1180990, 1354665, 1417188, 1445340, 1514446, 1535287, 1771485, 1806220, 2167464, 2271669, 2361980, 2709330, 2834376, 2890680, 3028892, 3070574, 3542970, 3612440, 3786115, 4543338, 4605861, 4723960, 5418660, 6057784, 6141148, 7085940, 7572230, 7676435, 9086676, 9211722, 9843899, 10837320, 11358345, 12282296, 12872791, 14171880, 15144460, 15352870, 18173352, 18423444, 19687798, 22716690, 23029305, 25745582, 29531697, 30288920, 30705740, 36846888, 38618373, 39375596, 45433380, 46058610, 49219495, 51491164, 59063394, 61411480, 64363955, 77236746, 78751192, 90866760, 92117220, 98438990, 102982328, 118126788, 128727910, 147658485, 154473492, 167346283, 184234440, 193091865, 196877980, 236253576, 257455820, 295316970, 308946984, 334692566, 386183730, 393755960, 502038849, 514911640, 590633940, 669385132, 772367460, 836731415, 1004077698, 1181267880, 1338770264, 1544734920, 1673462830, 2008155396, 2510194245, 3346925660, 4016310792, 5020388490, 6693851320, 10040776980, 20081553960]

約数ペア:

[(1, 20081553960), (2, 10040776980), (3, 6693851320), (4, 5020388490), (5, 4016310792), (6, 3346925660), (8, 2510194245), (10, 2008155396), (12, 1673462830), (13, 1544734920), (15, 1338770264), (17, 1181267880), (20, 1004077698), (24, 836731415), (26, 772367460), (30, 669385132), (34, 590633940), (39, 514911640), (40, 502038849), (51, 393755960), (52, 386183730), (60, 334692566), (65, 308946984), (68, 295316970), (78, 257455820), (85, 236253576), (102, 196877980), (104, 193091865), (109, 184234440), (120, 167346283), (130, 154473492), (136, 147658485), (156, 128727910), (170, 118126788), (195, 102982328), (204, 98438990), (218, 92117220), (221, 90866760), (255, 78751192), (260, 77236746), (312, 64363955), (327, 61411480), (340, 59063394), (390, 51491164), (408, 49219495), (436, 46058610), (442, 45433380), (510, 39375596), (520, 38618373), (545, 36846888), (654, 30705740), (663, 30288920), (680, 29531697), (780, 25745582), (872, 23029305), (884, 22716690), (1020, 19687798), (1090, 18423444), (1105, 18173352), (1308, 15352870), (1326, 15144460), (1417, 14171880), (1560, 12872791), (1635, 12282296), (1768, 11358345), (1853, 10837320), (2040, 9843899), (2180, 9211722), (2210, 9086676), (2616, 7676435), (2652, 7572230), (2834, 7085940), (3270, 6141148), (3315, 6057784), (3706, 5418660), (4251, 4723960), (4360, 4605861), (4420, 4543338), (5304, 3786115), (5559, 3612440), (5668, 3542970), (6540, 3070574), (6630, 3028892), (6947, 2890680), (7085, 2834376), (7412, 2709330), (8502, 2361980), (8840, 2271669), (9265, 2167464), (11118, 1806220), (11336, 1771485), (13080, 1535287), (13260, 1514446), (13894, 1445340), (14170, 1417188), (14824, 1354665), (17004, 1180990), (18530, 1083732), (20841, 963560), (21255, 944792), (22236, 903110), (24089, 833640), (26520, 757223), (27788, 722670), (27795, 722488), (28340, 708594), (34008, 590495), (34735, 578136), (37060, 541866), (41682, 481780), (42510, 472396), (44472, 451555), (48178, 416820), (55576, 361335), (55590, 361244), (56680, 354297), (69470, 289068), (72267, 277880), (74120, 270933), (83364, 240890), (85020, 236198), (90311, 222360), (96356, 208410), (104205, 192712), (111180, 180622), (118099, 170040), (120445, 166728), (138940, 144534)]