831766720

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42611}}^1$

素因数の和:42689

約数の個数: 56

約数和(自身を含む): 2013161328

約数和(自身を除く): 1181394608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19520, 42611, 85222, 170444, 213055, 340888, 426110, 681776, 852220, 1363552, 1704440, 2599271, 2727104, 3408880, 5198542, 6817760, 10397084, 12996355, 13635520, 20794168, 25992710, 41588336, 51985420, 83176672, 103970840, 166353344, 207941680, 415883360, 831766720]

約数ペア:

[(1, 831766720), (2, 415883360), (4, 207941680), (5, 166353344), (8, 103970840), (10, 83176672), (16, 51985420), (20, 41588336), (32, 25992710), (40, 20794168), (61, 13635520), (64, 12996355), (80, 10397084), (122, 6817760), (160, 5198542), (244, 3408880), (305, 2727104), (320, 2599271), (488, 1704440), (610, 1363552), (976, 852220), (1220, 681776), (1952, 426110), (2440, 340888), (3904, 213055), (4880, 170444), (9760, 85222), (19520, 42611)]