2809404

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 120

約数和(自身を含む): 8537760

約数和(自身を除く): 5728356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 29, 36, 39, 46, 52, 54, 58, 69, 78, 81, 87, 92, 108, 116, 117, 138, 156, 162, 174, 207, 234, 261, 276, 299, 324, 348, 351, 377, 414, 468, 522, 598, 621, 667, 702, 754, 783, 828, 897, 1044, 1053, 1131, 1196, 1242, 1334, 1404, 1508, 1566, 1794, 1863, 2001, 2106, 2262, 2349, 2484, 2668, 2691, 3132, 3393, 3588, 3726, 4002, 4212, 4524, 4698, 5382, 6003, 6786, 7452, 8004, 8073, 8671, 9396, 10179, 10764, 12006, 13572, 16146, 17342, 18009, 20358, 24012, 24219, 26013, 30537, 32292, 34684, 36018, 40716, 48438, 52026, 54027, 61074, 72036, 78039, 96876, 104052, 108054, 122148, 156078, 216108, 234117, 312156, 468234, 702351, 936468, 1404702, 2809404]

約数ペア:

[(1, 2809404), (2, 1404702), (3, 936468), (4, 702351), (6, 468234), (9, 312156), (12, 234117), (13, 216108), (18, 156078), (23, 122148), (26, 108054), (27, 104052), (29, 96876), (36, 78039), (39, 72036), (46, 61074), (52, 54027), (54, 52026), (58, 48438), (69, 40716), (78, 36018), (81, 34684), (87, 32292), (92, 30537), (108, 26013), (116, 24219), (117, 24012), (138, 20358), (156, 18009), (162, 17342), (174, 16146), (207, 13572), (234, 12006), (261, 10764), (276, 10179), (299, 9396), (324, 8671), (348, 8073), (351, 8004), (377, 7452), (414, 6786), (468, 6003), (522, 5382), (598, 4698), (621, 4524), (667, 4212), (702, 4002), (754, 3726), (783, 3588), (828, 3393), (897, 3132), (1044, 2691), (1053, 2668), (1131, 2484), (1196, 2349), (1242, 2262), (1334, 2106), (1404, 2001), (1508, 1863), (1566, 1794)]