31354380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{467}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 95567472

約数和(自身を除く): 64213092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 467, 746, 934, 1119, 1401, 1492, 1865, 1868, 2238, 2335, 2802, 3357, 3730, 4203, 4476, 4670, 5595, 5604, 6714, 7005, 7460, 8406, 9340, 11190, 13428, 14010, 16785, 16812, 21015, 22380, 28020, 33570, 42030, 67140, 84060, 174191, 348382, 522573, 696764, 870955, 1045146, 1567719, 1741910, 2090292, 2612865, 3135438, 3483820, 5225730, 6270876, 7838595, 10451460, 15677190, 31354380]

約数ペア:

[(1, 31354380), (2, 15677190), (3, 10451460), (4, 7838595), (5, 6270876), (6, 5225730), (9, 3483820), (10, 3135438), (12, 2612865), (15, 2090292), (18, 1741910), (20, 1567719), (30, 1045146), (36, 870955), (45, 696764), (60, 522573), (90, 348382), (180, 174191), (373, 84060), (467, 67140), (746, 42030), (934, 33570), (1119, 28020), (1401, 22380), (1492, 21015), (1865, 16812), (1868, 16785), (2238, 14010), (2335, 13428), (2802, 11190), (3357, 9340), (3730, 8406), (4203, 7460), (4476, 7005), (4670, 6714), (5595, 5604)]