71940120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85643}}^1$

素因数の和:85664

約数の個数: 64

約数和(自身を含む): 246654720

約数和(自身を除く): 174714600

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, 85643, 171286, 256929, 342572, 428215, 513858, 599501, 685144, 856430, 1027716, 1199002, 1284645, 1712860, 1798503, 2055432, 2398004, 2569290, 2997505, 3425720, 3597006, 4796008, 5138580, 5995010, 7194012, 8992515, 10277160, 11990020, 14388024, 17985030, 23980040, 35970060, 71940120]

約数ペア:

[(1, 71940120), (2, 35970060), (3, 23980040), (4, 17985030), (5, 14388024), (6, 11990020), (7, 10277160), (8, 8992515), (10, 7194012), (12, 5995010), (14, 5138580), (15, 4796008), (20, 3597006), (21, 3425720), (24, 2997505), (28, 2569290), (30, 2398004), (35, 2055432), (40, 1798503), (42, 1712860), (56, 1284645), (60, 1199002), (70, 1027716), (84, 856430), (105, 685144), (120, 599501), (140, 513858), (168, 428215), (210, 342572), (280, 256929), (420, 171286), (840, 85643)]