349140120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{415643}}^1$

素因数の和:415664

約数の個数: 64

約数和(自身を含む): 1197054720

約数和(自身を除く): 847914600

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, 415643, 831286, 1246929, 1662572, 2078215, 2493858, 2909501, 3325144, 4156430, 4987716, 5819002, 6234645, 8312860, 8728503, 9975432, 11638004, 12469290, 14547505, 16625720, 17457006, 23276008, 24938580, 29095010, 34914012, 43642515, 49877160, 58190020, 69828024, 87285030, 116380040, 174570060, 349140120]

約数ペア:

[(1, 349140120), (2, 174570060), (3, 116380040), (4, 87285030), (5, 69828024), (6, 58190020), (7, 49877160), (8, 43642515), (10, 34914012), (12, 29095010), (14, 24938580), (15, 23276008), (20, 17457006), (21, 16625720), (24, 14547505), (28, 12469290), (30, 11638004), (35, 9975432), (40, 8728503), (42, 8312860), (56, 6234645), (60, 5819002), (70, 4987716), (84, 4156430), (105, 3325144), (120, 2909501), (140, 2493858), (168, 2078215), (210, 1662572), (280, 1246929), (420, 831286), (840, 415643)]