661212750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{80147}}^1$

素因数の和:80178

約数の個数: 64

約数和(自身を含む): 1800444672

約数和(自身を除く): 1139231922

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 125, 150, 165, 250, 275, 330, 375, 550, 750, 825, 1375, 1650, 2750, 4125, 8250, 80147, 160294, 240441, 400735, 480882, 801470, 881617, 1202205, 1763234, 2003675, 2404410, 2644851, 4007350, 4408085, 5289702, 6011025, 8816170, 10018375, 12022050, 13224255, 20036750, 22040425, 26448510, 30055125, 44080850, 60110250, 66121275, 110202125, 132242550, 220404250, 330606375, 661212750]

約数ペア:

[(1, 661212750), (2, 330606375), (3, 220404250), (5, 132242550), (6, 110202125), (10, 66121275), (11, 60110250), (15, 44080850), (22, 30055125), (25, 26448510), (30, 22040425), (33, 20036750), (50, 13224255), (55, 12022050), (66, 10018375), (75, 8816170), (110, 6011025), (125, 5289702), (150, 4408085), (165, 4007350), (250, 2644851), (275, 2404410), (330, 2003675), (375, 1763234), (550, 1202205), (750, 881617), (825, 801470), (1375, 480882), (1650, 400735), (2750, 240441), (4125, 160294), (8250, 80147)]