209848560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{997}}^1$

素因数の和:1890

約数の個数: 80

約数和(自身を含む): 651925536

約数和(自身を除く): 442076976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 877, 997, 1754, 1994, 2631, 2991, 3508, 3988, 4385, 4985, 5262, 5982, 7016, 7976, 8770, 9970, 10524, 11964, 13155, 14032, 14955, 15952, 17540, 19940, 21048, 23928, 26310, 29910, 35080, 39880, 42096, 47856, 52620, 59820, 70160, 79760, 105240, 119640, 210480, 239280, 874369, 1748738, 2623107, 3497476, 4371845, 5246214, 6994952, 8743690, 10492428, 13115535, 13989904, 17487380, 20984856, 26231070, 34974760, 41969712, 52462140, 69949520, 104924280, 209848560]

約数ペア:

[(1, 209848560), (2, 104924280), (3, 69949520), (4, 52462140), (5, 41969712), (6, 34974760), (8, 26231070), (10, 20984856), (12, 17487380), (15, 13989904), (16, 13115535), (20, 10492428), (24, 8743690), (30, 6994952), (40, 5246214), (48, 4371845), (60, 3497476), (80, 2623107), (120, 1748738), (240, 874369), (877, 239280), (997, 210480), (1754, 119640), (1994, 105240), (2631, 79760), (2991, 70160), (3508, 59820), (3988, 52620), (4385, 47856), (4985, 42096), (5262, 39880), (5982, 35080), (7016, 29910), (7976, 26310), (8770, 23928), (9970, 21048), (10524, 19940), (11964, 17540), (13155, 15952), (14032, 14955)]