164021475

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 279267840

約数和(自身を除く): 115246365

約数列:

[1, 3, 5, 15, 25, 59, 75, 101, 177, 295, 303, 367, 505, 885, 1101, 1475, 1515, 1835, 2525, 4425, 5505, 5959, 7575, 9175, 17877, 21653, 27525, 29795, 37067, 64959, 89385, 108265, 111201, 148975, 185335, 324795, 446925, 541325, 556005, 926675, 1623975, 2186953, 2780025, 6560859, 10934765, 32804295, 54673825, 164021475]

約数ペア:

[(1, 164021475), (3, 54673825), (5, 32804295), (15, 10934765), (25, 6560859), (59, 2780025), (75, 2186953), (101, 1623975), (177, 926675), (295, 556005), (303, 541325), (367, 446925), (505, 324795), (885, 185335), (1101, 148975), (1475, 111201), (1515, 108265), (1835, 89385), (2525, 64959), (4425, 37067), (5505, 29795), (5959, 27525), (7575, 21653), (9175, 17877)]