1861551540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{41203}}^1$

素因数の和:41469

約数の個数: 72

約数和(自身を含む): 5669340768

約数和(自身を除く): 3807789228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 753, 1004, 1255, 1506, 2259, 2510, 3012, 3765, 4518, 5020, 7530, 9036, 11295, 15060, 22590, 41203, 45180, 82406, 123609, 164812, 206015, 247218, 370827, 412030, 494436, 618045, 741654, 824060, 1236090, 1483308, 1854135, 2472180, 3708270, 7416540, 10341953, 20683906, 31025859, 41367812, 51709765, 62051718, 93077577, 103419530, 124103436, 155129295, 186155154, 206839060, 310258590, 372310308, 465387885, 620517180, 930775770, 1861551540]

約数ペア:

[(1, 1861551540), (2, 930775770), (3, 620517180), (4, 465387885), (5, 372310308), (6, 310258590), (9, 206839060), (10, 186155154), (12, 155129295), (15, 124103436), (18, 103419530), (20, 93077577), (30, 62051718), (36, 51709765), (45, 41367812), (60, 31025859), (90, 20683906), (180, 10341953), (251, 7416540), (502, 3708270), (753, 2472180), (1004, 1854135), (1255, 1483308), (1506, 1236090), (2259, 824060), (2510, 741654), (3012, 618045), (3765, 494436), (4518, 412030), (5020, 370827), (7530, 247218), (9036, 206015), (11295, 164812), (15060, 123609), (22590, 82406), (41203, 45180)]