205801680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122501}}^1$

素因数の和:122524

約数の個数: 80

約数和(自身を含む): 729131904

約数和(自身を除く): 523330224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 122501, 245002, 367503, 490004, 612505, 735006, 857507, 980008, 1225010, 1470012, 1715014, 1837515, 1960016, 2450020, 2572521, 2940024, 3430028, 3675030, 4287535, 4900040, 5145042, 5880048, 6860056, 7350060, 8575070, 9800080, 10290084, 12862605, 13720112, 14700120, 17150140, 20580168, 25725210, 29400240, 34300280, 41160336, 51450420, 68600560, 102900840, 205801680]

約数ペア:

[(1, 205801680), (2, 102900840), (3, 68600560), (4, 51450420), (5, 41160336), (6, 34300280), (7, 29400240), (8, 25725210), (10, 20580168), (12, 17150140), (14, 14700120), (15, 13720112), (16, 12862605), (20, 10290084), (21, 9800080), (24, 8575070), (28, 7350060), (30, 6860056), (35, 5880048), (40, 5145042), (42, 4900040), (48, 4287535), (56, 3675030), (60, 3430028), (70, 2940024), (80, 2572521), (84, 2450020), (105, 1960016), (112, 1837515), (120, 1715014), (140, 1470012), (168, 1225010), (210, 980008), (240, 857507), (280, 735006), (336, 612505), (420, 490004), (560, 367503), (840, 245002), (1680, 122501)]