128919240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{358109}}^1$

素因数の和:358126

約数の個数: 48

約数和(自身を含む): 418988700

約数和(自身を除く): 290069460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 358109, 716218, 1074327, 1432436, 1790545, 2148654, 2864872, 3222981, 3581090, 4297308, 5371635, 6445962, 7162180, 8594616, 10743270, 12891924, 14324360, 16114905, 21486540, 25783848, 32229810, 42973080, 64459620, 128919240]

約数ペア:

[(1, 128919240), (2, 64459620), (3, 42973080), (4, 32229810), (5, 25783848), (6, 21486540), (8, 16114905), (9, 14324360), (10, 12891924), (12, 10743270), (15, 8594616), (18, 7162180), (20, 6445962), (24, 5371635), (30, 4297308), (36, 3581090), (40, 3222981), (45, 2864872), (60, 2148654), (72, 1790545), (90, 1432436), (120, 1074327), (180, 716218), (360, 358109)]