31305000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{2087}}^1$

素因数の和:2116

約数の個数: 80

約数和(自身を含む): 97843680

約数和(自身を除く): 66538680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2087, 2500, 3000, 3750, 4174, 5000, 6261, 7500, 8348, 10435, 12522, 15000, 16696, 20870, 25044, 31305, 41740, 50088, 52175, 62610, 83480, 104350, 125220, 156525, 208700, 250440, 260875, 313050, 417400, 521750, 626100, 782625, 1043500, 1252200, 1304375, 1565250, 2087000, 2608750, 3130500, 3913125, 5217500, 6261000, 7826250, 10435000, 15652500, 31305000]

約数ペア:

[(1, 31305000), (2, 15652500), (3, 10435000), (4, 7826250), (5, 6261000), (6, 5217500), (8, 3913125), (10, 3130500), (12, 2608750), (15, 2087000), (20, 1565250), (24, 1304375), (25, 1252200), (30, 1043500), (40, 782625), (50, 626100), (60, 521750), (75, 417400), (100, 313050), (120, 260875), (125, 250440), (150, 208700), (200, 156525), (250, 125220), (300, 104350), (375, 83480), (500, 62610), (600, 52175), (625, 50088), (750, 41740), (1000, 31305), (1250, 25044), (1500, 20870), (1875, 16696), (2087, 15000), (2500, 12522), (3000, 10435), (3750, 8348), (4174, 7500), (5000, 6261)]