31908520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1373}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 83099520

約数和(自身を除く): 51191000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1373, 1660, 2324, 2746, 2905, 3320, 4648, 5492, 5810, 6865, 9611, 10984, 11620, 13730, 19222, 23240, 27460, 38444, 48055, 54920, 76888, 96110, 113959, 192220, 227918, 384440, 455836, 569795, 797713, 911672, 1139590, 1595426, 2279180, 3190852, 3988565, 4558360, 6381704, 7977130, 15954260, 31908520]

約数ペア:

[(1, 31908520), (2, 15954260), (4, 7977130), (5, 6381704), (7, 4558360), (8, 3988565), (10, 3190852), (14, 2279180), (20, 1595426), (28, 1139590), (35, 911672), (40, 797713), (56, 569795), (70, 455836), (83, 384440), (140, 227918), (166, 192220), (280, 113959), (332, 96110), (415, 76888), (581, 54920), (664, 48055), (830, 38444), (1162, 27460), (1373, 23240), (1660, 19222), (2324, 13730), (2746, 11620), (2905, 10984), (3320, 9611), (4648, 6865), (5492, 5810)]