1287972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 3931200

約数和(自身を除く): 2643228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 269, 342, 399, 532, 538, 684, 798, 807, 1076, 1197, 1596, 1614, 1883, 2394, 2421, 3228, 3766, 4788, 4842, 5111, 5649, 7532, 9684, 10222, 11298, 15333, 16947, 20444, 22596, 30666, 33894, 35777, 45999, 61332, 67788, 71554, 91998, 107331, 143108, 183996, 214662, 321993, 429324, 643986, 1287972]

約数ペア:

[(1, 1287972), (2, 643986), (3, 429324), (4, 321993), (6, 214662), (7, 183996), (9, 143108), (12, 107331), (14, 91998), (18, 71554), (19, 67788), (21, 61332), (28, 45999), (36, 35777), (38, 33894), (42, 30666), (57, 22596), (63, 20444), (76, 16947), (84, 15333), (114, 11298), (126, 10222), (133, 9684), (171, 7532), (228, 5649), (252, 5111), (266, 4842), (269, 4788), (342, 3766), (399, 3228), (532, 2421), (538, 2394), (684, 1883), (798, 1614), (807, 1596), (1076, 1197)]