660744

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 128

約数和(自身を含む): 2304000

約数和(自身を除く): 1643256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 23, 24, 27, 28, 36, 38, 42, 46, 54, 56, 57, 63, 69, 72, 76, 84, 92, 108, 114, 126, 133, 138, 152, 161, 168, 171, 184, 189, 207, 216, 228, 252, 266, 276, 322, 342, 378, 399, 414, 437, 456, 483, 504, 513, 532, 552, 621, 644, 684, 756, 798, 828, 874, 966, 1026, 1064, 1197, 1242, 1288, 1311, 1368, 1449, 1512, 1596, 1656, 1748, 1932, 2052, 2394, 2484, 2622, 2898, 3059, 3192, 3496, 3591, 3864, 3933, 4104, 4347, 4788, 4968, 5244, 5796, 6118, 7182, 7866, 8694, 9177, 9576, 10488, 11592, 11799, 12236, 14364, 15732, 17388, 18354, 23598, 24472, 27531, 28728, 31464, 34776, 36708, 47196, 55062, 73416, 82593, 94392, 110124, 165186, 220248, 330372, 660744]

約数ペア:

[(1, 660744), (2, 330372), (3, 220248), (4, 165186), (6, 110124), (7, 94392), (8, 82593), (9, 73416), (12, 55062), (14, 47196), (18, 36708), (19, 34776), (21, 31464), (23, 28728), (24, 27531), (27, 24472), (28, 23598), (36, 18354), (38, 17388), (42, 15732), (46, 14364), (54, 12236), (56, 11799), (57, 11592), (63, 10488), (69, 9576), (72, 9177), (76, 8694), (84, 7866), (92, 7182), (108, 6118), (114, 5796), (126, 5244), (133, 4968), (138, 4788), (152, 4347), (161, 4104), (168, 3933), (171, 3864), (184, 3591), (189, 3496), (207, 3192), (216, 3059), (228, 2898), (252, 2622), (266, 2484), (276, 2394), (322, 2052), (342, 1932), (378, 1748), (399, 1656), (414, 1596), (437, 1512), (456, 1449), (483, 1368), (504, 1311), (513, 1288), (532, 1242), (552, 1197), (621, 1064), (644, 1026), (684, 966), (756, 874), (798, 828)]