220500840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262501}}^1$

素因数の和:262522

約数の個数: 64

約数和(自身を含む): 756005760

約数和(自身を除く): 535504920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262501, 525002, 787503, 1050004, 1312505, 1575006, 1837507, 2100008, 2625010, 3150012, 3675014, 3937515, 5250020, 5512521, 6300024, 7350028, 7875030, 9187535, 10500040, 11025042, 14700056, 15750060, 18375070, 22050084, 27562605, 31500120, 36750140, 44100168, 55125210, 73500280, 110250420, 220500840]

約数ペア:

[(1, 220500840), (2, 110250420), (3, 73500280), (4, 55125210), (5, 44100168), (6, 36750140), (7, 31500120), (8, 27562605), (10, 22050084), (12, 18375070), (14, 15750060), (15, 14700056), (20, 11025042), (21, 10500040), (24, 9187535), (28, 7875030), (30, 7350028), (35, 6300024), (40, 5512521), (42, 5250020), (56, 3937515), (60, 3675014), (70, 3150012), (84, 2625010), (105, 2100008), (120, 1837507), (140, 1575006), (168, 1312505), (210, 1050004), (280, 787503), (420, 525002), (840, 262501)]