12901980

素因数分解:

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

素因数の和:188

約数の個数: 192

約数和(自身を含む): 47416320

約数和(自身を除く): 34514340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 17, 20, 21, 26, 28, 30, 34, 35, 39, 42, 51, 52, 60, 65, 68, 70, 78, 84, 85, 91, 102, 105, 119, 130, 139, 140, 156, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 278, 340, 357, 364, 390, 417, 420, 442, 455, 476, 510, 546, 556, 595, 663, 695, 714, 780, 834, 884, 910, 973, 1020, 1092, 1105, 1190, 1326, 1365, 1390, 1428, 1547, 1668, 1785, 1807, 1820, 1946, 2085, 2210, 2363, 2380, 2652, 2730, 2780, 2919, 3094, 3315, 3570, 3614, 3892, 4170, 4420, 4641, 4726, 4865, 5421, 5460, 5838, 6188, 6630, 7089, 7140, 7228, 7735, 8340, 9035, 9282, 9452, 9730, 10842, 11676, 11815, 12649, 13260, 14178, 14595, 15470, 16541, 18070, 18564, 19460, 21684, 23205, 23630, 25298, 27105, 28356, 29190, 30719, 30940, 33082, 35445, 36140, 37947, 46410, 47260, 49623, 50596, 54210, 58380, 61438, 63245, 66164, 70890, 75894, 82705, 92157, 92820, 99246, 108420, 122876, 126490, 141780, 151788, 153595, 165410, 184314, 189735, 198492, 215033, 248115, 252980, 307190, 330820, 368628, 379470, 430066, 460785, 496230, 614380, 645099, 758940, 860132, 921570, 992460, 1075165, 1290198, 1843140, 2150330, 2580396, 3225495, 4300660, 6450990, 12901980]

約数ペア:

[(1, 12901980), (2, 6450990), (3, 4300660), (4, 3225495), (5, 2580396), (6, 2150330), (7, 1843140), (10, 1290198), (12, 1075165), (13, 992460), (14, 921570), (15, 860132), (17, 758940), (20, 645099), (21, 614380), (26, 496230), (28, 460785), (30, 430066), (34, 379470), (35, 368628), (39, 330820), (42, 307190), (51, 252980), (52, 248115), (60, 215033), (65, 198492), (68, 189735), (70, 184314), (78, 165410), (84, 153595), (85, 151788), (91, 141780), (102, 126490), (105, 122876), (119, 108420), (130, 99246), (139, 92820), (140, 92157), (156, 82705), (170, 75894), (182, 70890), (195, 66164), (204, 63245), (210, 61438), (221, 58380), (238, 54210), (255, 50596), (260, 49623), (273, 47260), (278, 46410), (340, 37947), (357, 36140), (364, 35445), (390, 33082), (417, 30940), (420, 30719), (442, 29190), (455, 28356), (476, 27105), (510, 25298), (546, 23630), (556, 23205), (595, 21684), (663, 19460), (695, 18564), (714, 18070), (780, 16541), (834, 15470), (884, 14595), (910, 14178), (973, 13260), (1020, 12649), (1092, 11815), (1105, 11676), (1190, 10842), (1326, 9730), (1365, 9452), (1390, 9282), (1428, 9035), (1547, 8340), (1668, 7735), (1785, 7228), (1807, 7140), (1820, 7089), (1946, 6630), (2085, 6188), (2210, 5838), (2363, 5460), (2380, 5421), (2652, 4865), (2730, 4726), (2780, 4641), (2919, 4420), (3094, 4170), (3315, 3892), (3570, 3614)]