31495020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4007}}^1$

素因数の和:4150

約数の個数: 48

約数和(自身を含む): 88881408

約数和(自身を除く): 57386388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 4007, 7860, 8014, 12021, 16028, 20035, 24042, 40070, 48084, 60105, 80140, 120210, 240420, 524917, 1049834, 1574751, 2099668, 2624585, 3149502, 5249170, 6299004, 7873755, 10498340, 15747510, 31495020]

約数ペア:

[(1, 31495020), (2, 15747510), (3, 10498340), (4, 7873755), (5, 6299004), (6, 5249170), (10, 3149502), (12, 2624585), (15, 2099668), (20, 1574751), (30, 1049834), (60, 524917), (131, 240420), (262, 120210), (393, 80140), (524, 60105), (655, 48084), (786, 40070), (1310, 24042), (1572, 20035), (1965, 16028), (2620, 12021), (3930, 8014), (4007, 7860)]