51607920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 320

約数和(自身を含む): 209986560

約数和(自身を除く): 158378640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 65, 68, 70, 78, 80, 84, 85, 91, 102, 104, 105, 112, 119, 120, 130, 136, 139, 140, 156, 168, 170, 182, 195, 204, 208, 210, 221, 238, 240, 255, 260, 272, 273, 278, 280, 312, 336, 340, 357, 364, 390, 408, 417, 420, 442, 455, 476, 510, 520, 546, 556, 560, 595, 624, 663, 680, 695, 714, 728, 780, 816, 834, 840, 884, 910, 952, 973, 1020, 1040, 1092, 1105, 1112, 1190, 1326, 1360, 1365, 1390, 1428, 1456, 1547, 1560, 1668, 1680, 1768, 1785, 1807, 1820, 1904, 1946, 2040, 2085, 2184, 2210, 2224, 2363, 2380, 2652, 2730, 2780, 2856, 2919, 3094, 3120, 3315, 3336, 3536, 3570, 3614, 3640, 3892, 4080, 4170, 4368, 4420, 4641, 4726, 4760, 4865, 5304, 5421, 5460, 5560, 5712, 5838, 6188, 6630, 6672, 7089, 7140, 7228, 7280, 7735, 7784, 8340, 8840, 9035, 9282, 9452, 9520, 9730, 10608, 10842, 10920, 11120, 11676, 11815, 12376, 12649, 13260, 14178, 14280, 14456, 14595, 15470, 15568, 16541, 16680, 17680, 18070, 18564, 18904, 19460, 21684, 21840, 23205, 23352, 23630, 24752, 25298, 26520, 27105, 28356, 28560, 28912, 29190, 30719, 30940, 33082, 33360, 35445, 36140, 37128, 37808, 37947, 38920, 43368, 46410, 46704, 47260, 49623, 50596, 53040, 54210, 56712, 58380, 61438, 61880, 63245, 66164, 70890, 72280, 74256, 75894, 77840, 82705, 86736, 92157, 92820, 94520, 99246, 101192, 108420, 113424, 116760, 122876, 123760, 126490, 132328, 141780, 144560, 151788, 153595, 165410, 184314, 185640, 189040, 189735, 198492, 202384, 215033, 216840, 233520, 245752, 248115, 252980, 264656, 283560, 303576, 307190, 330820, 368628, 371280, 379470, 396984, 430066, 433680, 460785, 491504, 496230, 505960, 567120, 607152, 614380, 645099, 661640, 737256, 758940, 793968, 860132, 921570, 992460, 1011920, 1075165, 1228760, 1290198, 1323280, 1474512, 1517880, 1720264, 1843140, 1984920, 2150330, 2457520, 2580396, 3035760, 3225495, 3440528, 3686280, 3969840, 4300660, 5160792, 6450990, 7372560, 8601320, 10321584, 12901980, 17202640, 25803960, 51607920]

約数ペア:

[(1, 51607920), (2, 25803960), (3, 17202640), (4, 12901980), (5, 10321584), (6, 8601320), (7, 7372560), (8, 6450990), (10, 5160792), (12, 4300660), (13, 3969840), (14, 3686280), (15, 3440528), (16, 3225495), (17, 3035760), (20, 2580396), (21, 2457520), (24, 2150330), (26, 1984920), (28, 1843140), (30, 1720264), (34, 1517880), (35, 1474512), (39, 1323280), (40, 1290198), (42, 1228760), (48, 1075165), (51, 1011920), (52, 992460), (56, 921570), (60, 860132), (65, 793968), (68, 758940), (70, 737256), (78, 661640), (80, 645099), (84, 614380), (85, 607152), (91, 567120), (102, 505960), (104, 496230), (105, 491504), (112, 460785), (119, 433680), (120, 430066), (130, 396984), (136, 379470), (139, 371280), (140, 368628), (156, 330820), (168, 307190), (170, 303576), (182, 283560), (195, 264656), (204, 252980), (208, 248115), (210, 245752), (221, 233520), (238, 216840), (240, 215033), (255, 202384), (260, 198492), (272, 189735), (273, 189040), (278, 185640), (280, 184314), (312, 165410), (336, 153595), (340, 151788), (357, 144560), (364, 141780), (390, 132328), (408, 126490), (417, 123760), (420, 122876), (442, 116760), (455, 113424), (476, 108420), (510, 101192), (520, 99246), (546, 94520), (556, 92820), (560, 92157), (595, 86736), (624, 82705), (663, 77840), (680, 75894), (695, 74256), (714, 72280), (728, 70890), (780, 66164), (816, 63245), (834, 61880), (840, 61438), (884, 58380), (910, 56712), (952, 54210), (973, 53040), (1020, 50596), (1040, 49623), (1092, 47260), (1105, 46704), (1112, 46410), (1190, 43368), (1326, 38920), (1360, 37947), (1365, 37808), (1390, 37128), (1428, 36140), (1456, 35445), (1547, 33360), (1560, 33082), (1668, 30940), (1680, 30719), (1768, 29190), (1785, 28912), (1807, 28560), (1820, 28356), (1904, 27105), (1946, 26520), (2040, 25298), (2085, 24752), (2184, 23630), (2210, 23352), (2224, 23205), (2363, 21840), (2380, 21684), (2652, 19460), (2730, 18904), (2780, 18564), (2856, 18070), (2919, 17680), (3094, 16680), (3120, 16541), (3315, 15568), (3336, 15470), (3536, 14595), (3570, 14456), (3614, 14280), (3640, 14178), (3892, 13260), (4080, 12649), (4170, 12376), (4368, 11815), (4420, 11676), (4641, 11120), (4726, 10920), (4760, 10842), (4865, 10608), (5304, 9730), (5421, 9520), (5460, 9452), (5560, 9282), (5712, 9035), (5838, 8840), (6188, 8340), (6630, 7784), (6672, 7735), (7089, 7280), (7140, 7228)]