1640247216

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2246

約数の個数: 80

約数和(自身を含む): 4308876000

約数和(自身を除く): 2668628784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 197, 267, 356, 394, 534, 591, 712, 788, 1068, 1182, 1424, 1576, 1949, 2136, 2364, 3152, 3898, 4272, 4728, 5847, 7796, 9456, 11694, 15592, 17533, 23388, 31184, 35066, 46776, 52599, 70132, 93552, 105198, 140264, 173461, 210396, 280528, 346922, 383953, 420792, 520383, 693844, 767906, 841584, 1040766, 1151859, 1387688, 1535812, 2081532, 2303718, 2775376, 3071624, 4163064, 4607436, 6143248, 8326128, 9214872, 18429744, 34171817, 68343634, 102515451, 136687268, 205030902, 273374536, 410061804, 546749072, 820123608, 1640247216]

約数ペア:

[(1, 1640247216), (2, 820123608), (3, 546749072), (4, 410061804), (6, 273374536), (8, 205030902), (12, 136687268), (16, 102515451), (24, 68343634), (48, 34171817), (89, 18429744), (178, 9214872), (197, 8326128), (267, 6143248), (356, 4607436), (394, 4163064), (534, 3071624), (591, 2775376), (712, 2303718), (788, 2081532), (1068, 1535812), (1182, 1387688), (1424, 1151859), (1576, 1040766), (1949, 841584), (2136, 767906), (2364, 693844), (3152, 520383), (3898, 420792), (4272, 383953), (4728, 346922), (5847, 280528), (7796, 210396), (9456, 173461), (11694, 140264), (15592, 105198), (17533, 93552), (23388, 70132), (31184, 52599), (35066, 46776)]