181489980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{719}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 582543360

約数和(自身を除く): 401053380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 601, 719, 1202, 1438, 1803, 2157, 2404, 2876, 3005, 3595, 3606, 4207, 4314, 5033, 6010, 7190, 7212, 8414, 8628, 9015, 10066, 10785, 12020, 12621, 14380, 15099, 16828, 18030, 20132, 21035, 21570, 25165, 25242, 30198, 36060, 42070, 43140, 50330, 50484, 60396, 63105, 75495, 84140, 100660, 126210, 150990, 252420, 301980, 432119, 864238, 1296357, 1728476, 2160595, 2592714, 3024833, 4321190, 5185428, 6049666, 6481785, 8642380, 9074499, 12099332, 12963570, 15124165, 18148998, 25927140, 30248330, 36297996, 45372495, 60496660, 90744990, 181489980]

約数ペア:

[(1, 181489980), (2, 90744990), (3, 60496660), (4, 45372495), (5, 36297996), (6, 30248330), (7, 25927140), (10, 18148998), (12, 15124165), (14, 12963570), (15, 12099332), (20, 9074499), (21, 8642380), (28, 6481785), (30, 6049666), (35, 5185428), (42, 4321190), (60, 3024833), (70, 2592714), (84, 2160595), (105, 1728476), (140, 1296357), (210, 864238), (420, 432119), (601, 301980), (719, 252420), (1202, 150990), (1438, 126210), (1803, 100660), (2157, 84140), (2404, 75495), (2876, 63105), (3005, 60396), (3595, 50484), (3606, 50330), (4207, 43140), (4314, 42070), (5033, 36060), (6010, 30198), (7190, 25242), (7212, 25165), (8414, 21570), (8628, 21035), (9015, 20132), (10066, 18030), (10785, 16828), (12020, 15099), (12621, 14380)]