187020120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{222643}}^1$

素因数の和:222664

約数の個数: 64

約数和(自身を含む): 641214720

約数和(自身を除く): 454194600

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, 222643, 445286, 667929, 890572, 1113215, 1335858, 1558501, 1781144, 2226430, 2671716, 3117002, 3339645, 4452860, 4675503, 5343432, 6234004, 6679290, 7792505, 8905720, 9351006, 12468008, 13358580, 15585010, 18702012, 23377515, 26717160, 31170020, 37404024, 46755030, 62340040, 93510060, 187020120]

約数ペア:

[(1, 187020120), (2, 93510060), (3, 62340040), (4, 46755030), (5, 37404024), (6, 31170020), (7, 26717160), (8, 23377515), (10, 18702012), (12, 15585010), (14, 13358580), (15, 12468008), (20, 9351006), (21, 8905720), (24, 7792505), (28, 6679290), (30, 6234004), (35, 5343432), (40, 4675503), (42, 4452860), (56, 3339645), (60, 3117002), (70, 2671716), (84, 2226430), (105, 1781144), (120, 1558501), (140, 1335858), (168, 1113215), (210, 890572), (280, 667929), (420, 445286), (840, 222643)]