25440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1$

素因数の和:71

約数の個数: 48

約数和(自身を含む): 81648

約数和(自身を除く): 56208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 848, 1060, 1272, 1590, 1696, 2120, 2544, 3180, 4240, 5088, 6360, 8480, 12720, 25440]

約数ペア:

[(1, 25440), (2, 12720), (3, 8480), (4, 6360), (5, 5088), (6, 4240), (8, 3180), (10, 2544), (12, 2120), (15, 1696), (16, 1590), (20, 1272), (24, 1060), (30, 848), (32, 795), (40, 636), (48, 530), (53, 480), (60, 424), (80, 318), (96, 265), (106, 240), (120, 212), (159, 160)]