210015540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{166679}}^1$

素因数の和:166701

約数の個数: 72

約数和(自身を含む): 728058240

約数和(自身を除く): 518042700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 166679, 333358, 500037, 666716, 833395, 1000074, 1166753, 1500111, 1666790, 2000148, 2333506, 2500185, 3000222, 3333580, 3500259, 4667012, 5000370, 5833765, 6000444, 7000518, 7500555, 10000740, 10500777, 11667530, 14001036, 15001110, 17501295, 21001554, 23335060, 30002220, 35002590, 42003108, 52503885, 70005180, 105007770, 210015540]

約数ペア:

[(1, 210015540), (2, 105007770), (3, 70005180), (4, 52503885), (5, 42003108), (6, 35002590), (7, 30002220), (9, 23335060), (10, 21001554), (12, 17501295), (14, 15001110), (15, 14001036), (18, 11667530), (20, 10500777), (21, 10000740), (28, 7500555), (30, 7000518), (35, 6000444), (36, 5833765), (42, 5000370), (45, 4667012), (60, 3500259), (63, 3333580), (70, 3000222), (84, 2500185), (90, 2333506), (105, 2000148), (126, 1666790), (140, 1500111), (180, 1166753), (210, 1000074), (252, 833395), (315, 666716), (420, 500037), (630, 333358), (1260, 166679)]