31328760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11351}}^1$

素因数の和:11388

約数の個数: 64

約数和(自身を含む): 98081280

約数和(自身を除く): 66752520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 11351, 22702, 34053, 45404, 56755, 68106, 90808, 113510, 136212, 170265, 227020, 261073, 272424, 340530, 454040, 522146, 681060, 783219, 1044292, 1305365, 1362120, 1566438, 2088584, 2610730, 3132876, 3916095, 5221460, 6265752, 7832190, 10442920, 15664380, 31328760]

約数ペア:

[(1, 31328760), (2, 15664380), (3, 10442920), (4, 7832190), (5, 6265752), (6, 5221460), (8, 3916095), (10, 3132876), (12, 2610730), (15, 2088584), (20, 1566438), (23, 1362120), (24, 1305365), (30, 1044292), (40, 783219), (46, 681060), (60, 522146), (69, 454040), (92, 340530), (115, 272424), (120, 261073), (138, 227020), (184, 170265), (230, 136212), (276, 113510), (345, 90808), (460, 68106), (552, 56755), (690, 45404), (920, 34053), (1380, 22702), (2760, 11351)]