15866881884

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{401}}^1\times {\mathrm{7477}}^1$

素因数の和:7905

約数の個数: 144

約数和(自身を含む): 47978249760

約数和(自身を除く): 32111367876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 401, 441, 588, 756, 802, 882, 1203, 1323, 1604, 1764, 2406, 2646, 2807, 3609, 4812, 5292, 5614, 7218, 7477, 8421, 10827, 11228, 14436, 14954, 16842, 19649, 21654, 22431, 25263, 29908, 33684, 39298, 43308, 44862, 50526, 52339, 58947, 67293, 75789, 78596, 89724, 101052, 104678, 117894, 134586, 151578, 157017, 176841, 201879, 209356, 235788, 269172, 303156, 314034, 353682, 366373, 403758, 471051, 530523, 628068, 707364, 732746, 807516, 942102, 1061046, 1099119, 1413153, 1465492, 1884204, 2122092, 2198238, 2826306, 2998277, 3297357, 4396476, 5652612, 5996554, 6594714, 8994831, 9892071, 11993108, 13189428, 17989662, 19784142, 20987939, 26984493, 35979324, 39568284, 41975878, 53968986, 62963817, 80953479, 83951756, 107937972, 125927634, 146915573, 161906958, 188891451, 251855268, 293831146, 323813916, 377782902, 440746719, 566674353, 587662292, 755565804, 881493438, 1133348706, 1322240157, 1762986876, 2266697412, 2644480314, 3966720471, 5288960628, 7933440942, 15866881884]

約数ペア:

[(1, 15866881884), (2, 7933440942), (3, 5288960628), (4, 3966720471), (6, 2644480314), (7, 2266697412), (9, 1762986876), (12, 1322240157), (14, 1133348706), (18, 881493438), (21, 755565804), (27, 587662292), (28, 566674353), (36, 440746719), (42, 377782902), (49, 323813916), (54, 293831146), (63, 251855268), (84, 188891451), (98, 161906958), (108, 146915573), (126, 125927634), (147, 107937972), (189, 83951756), (196, 80953479), (252, 62963817), (294, 53968986), (378, 41975878), (401, 39568284), (441, 35979324), (588, 26984493), (756, 20987939), (802, 19784142), (882, 17989662), (1203, 13189428), (1323, 11993108), (1604, 9892071), (1764, 8994831), (2406, 6594714), (2646, 5996554), (2807, 5652612), (3609, 4396476), (4812, 3297357), (5292, 2998277), (5614, 2826306), (7218, 2198238), (7477, 2122092), (8421, 1884204), (10827, 1465492), (11228, 1413153), (14436, 1099119), (14954, 1061046), (16842, 942102), (19649, 807516), (21654, 732746), (22431, 707364), (25263, 628068), (29908, 530523), (33684, 471051), (39298, 403758), (43308, 366373), (44862, 353682), (50526, 314034), (52339, 303156), (58947, 269172), (67293, 235788), (75789, 209356), (78596, 201879), (89724, 176841), (101052, 157017), (104678, 151578), (117894, 134586)]