728784

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{241}}^1$

素因数の和:265

約数の個数: 80

約数和(自身を含む): 2400640

約数和(自身を除く): 1671856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 241, 252, 336, 378, 432, 482, 504, 723, 756, 964, 1008, 1446, 1512, 1687, 1928, 2169, 2892, 3024, 3374, 3856, 4338, 5061, 5784, 6507, 6748, 8676, 10122, 11568, 13014, 13496, 15183, 17352, 20244, 26028, 26992, 30366, 34704, 40488, 45549, 52056, 60732, 80976, 91098, 104112, 121464, 182196, 242928, 364392, 728784]

約数ペア:

[(1, 728784), (2, 364392), (3, 242928), (4, 182196), (6, 121464), (7, 104112), (8, 91098), (9, 80976), (12, 60732), (14, 52056), (16, 45549), (18, 40488), (21, 34704), (24, 30366), (27, 26992), (28, 26028), (36, 20244), (42, 17352), (48, 15183), (54, 13496), (56, 13014), (63, 11568), (72, 10122), (84, 8676), (108, 6748), (112, 6507), (126, 5784), (144, 5061), (168, 4338), (189, 3856), (216, 3374), (241, 3024), (252, 2892), (336, 2169), (378, 1928), (432, 1687), (482, 1512), (504, 1446), (723, 1008), (756, 964)]