128271276

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2505

約数の個数: 120

約数和(自身を含む): 400055040

約数和(自身を除く): 271783764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 378, 414, 483, 567, 621, 644, 756, 828, 966, 1134, 1242, 1449, 1863, 1932, 2268, 2459, 2484, 2898, 3726, 4347, 4918, 5796, 7377, 7452, 8694, 9836, 13041, 14754, 17213, 17388, 22131, 26082, 29508, 34426, 44262, 51639, 52164, 56557, 66393, 68852, 88524, 103278, 113114, 132786, 154917, 169671, 199179, 206556, 226228, 265572, 309834, 339342, 395899, 398358, 464751, 509013, 619668, 678684, 791798, 796716, 929502, 1018026, 1187697, 1394253, 1527039, 1583596, 1859004, 2036052, 2375394, 2788506, 3054078, 3563091, 4581117, 4750788, 5577012, 6108156, 7126182, 9162234, 10689273, 14252364, 18324468, 21378546, 32067819, 42757092, 64135638, 128271276]

約数ペア:

[(1, 128271276), (2, 64135638), (3, 42757092), (4, 32067819), (6, 21378546), (7, 18324468), (9, 14252364), (12, 10689273), (14, 9162234), (18, 7126182), (21, 6108156), (23, 5577012), (27, 4750788), (28, 4581117), (36, 3563091), (42, 3054078), (46, 2788506), (54, 2375394), (63, 2036052), (69, 1859004), (81, 1583596), (84, 1527039), (92, 1394253), (108, 1187697), (126, 1018026), (138, 929502), (161, 796716), (162, 791798), (189, 678684), (207, 619668), (252, 509013), (276, 464751), (322, 398358), (324, 395899), (378, 339342), (414, 309834), (483, 265572), (567, 226228), (621, 206556), (644, 199179), (756, 169671), (828, 154917), (966, 132786), (1134, 113114), (1242, 103278), (1449, 88524), (1863, 68852), (1932, 66393), (2268, 56557), (2459, 52164), (2484, 51639), (2898, 44262), (3726, 34426), (4347, 29508), (4918, 26082), (5796, 22131), (7377, 17388), (7452, 17213), (8694, 14754), (9836, 13041)]