645672744

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20521}}^1$

素因数の和:20575

約数の個数: 96

約数和(自身を含む): 1920859200

約数和(自身を除く): 1275186456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 114, 138, 152, 171, 184, 207, 228, 276, 342, 414, 437, 456, 552, 684, 828, 874, 1311, 1368, 1656, 1748, 2622, 3496, 3933, 5244, 7866, 10488, 15732, 20521, 31464, 41042, 61563, 82084, 123126, 164168, 184689, 246252, 369378, 389899, 471983, 492504, 738756, 779798, 943966, 1169697, 1415949, 1477512, 1559596, 1887932, 2339394, 2831898, 3119192, 3509091, 3775864, 4247847, 4678788, 5663796, 7018182, 8495694, 8967677, 9357576, 11327592, 14036364, 16991388, 17935354, 26903031, 28072728, 33982776, 35870708, 53806062, 71741416, 80709093, 107612124, 161418186, 215224248, 322836372, 645672744]

約数ペア:

[(1, 645672744), (2, 322836372), (3, 215224248), (4, 161418186), (6, 107612124), (8, 80709093), (9, 71741416), (12, 53806062), (18, 35870708), (19, 33982776), (23, 28072728), (24, 26903031), (36, 17935354), (38, 16991388), (46, 14036364), (57, 11327592), (69, 9357576), (72, 8967677), (76, 8495694), (92, 7018182), (114, 5663796), (138, 4678788), (152, 4247847), (171, 3775864), (184, 3509091), (207, 3119192), (228, 2831898), (276, 2339394), (342, 1887932), (414, 1559596), (437, 1477512), (456, 1415949), (552, 1169697), (684, 943966), (828, 779798), (874, 738756), (1311, 492504), (1368, 471983), (1656, 389899), (1748, 369378), (2622, 246252), (3496, 184689), (3933, 164168), (5244, 123126), (7866, 82084), (10488, 61563), (15732, 41042), (20521, 31464)]