780444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 2387840

約数和(自身を除く): 1607396

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, 163, 171, 228, 252, 266, 326, 342, 399, 489, 532, 652, 684, 798, 978, 1141, 1197, 1467, 1596, 1956, 2282, 2394, 2934, 3097, 3423, 4564, 4788, 5868, 6194, 6846, 9291, 10269, 12388, 13692, 18582, 20538, 21679, 27873, 37164, 41076, 43358, 55746, 65037, 86716, 111492, 130074, 195111, 260148, 390222, 780444]

約数ペア:

[(1, 780444), (2, 390222), (3, 260148), (4, 195111), (6, 130074), (7, 111492), (9, 86716), (12, 65037), (14, 55746), (18, 43358), (19, 41076), (21, 37164), (28, 27873), (36, 21679), (38, 20538), (42, 18582), (57, 13692), (63, 12388), (76, 10269), (84, 9291), (114, 6846), (126, 6194), (133, 5868), (163, 4788), (171, 4564), (228, 3423), (252, 3097), (266, 2934), (326, 2394), (342, 2282), (399, 1956), (489, 1596), (532, 1467), (652, 1197), (684, 1141), (798, 978)]