212409540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{18731}}^1$

素因数の和:18759

約数の個数: 120

約数和(自身を含む): 761568192

約数和(自身を除く): 549158652

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 18731, 37462, 56193, 74924, 93655, 112386, 131117, 168579, 187310, 224772, 262234, 280965, 337158, 374620, 393351, 505737, 524468, 561930, 655585, 674316, 786702, 842895, 1011474, 1123860, 1180053, 1311170, 1517211, 1573404, 1685790, 1966755, 2022948, 2360106, 2528685, 2622340, 3034422, 3371580, 3540159, 3933510, 4720212, 5057370, 5900265, 6068844, 7080318, 7586055, 7867020, 10114740, 10620477, 11800530, 14160636, 15172110, 17700795, 21240954, 23601060, 30344220, 35401590, 42481908, 53102385, 70803180, 106204770, 212409540]

約数ペア:

[(1, 212409540), (2, 106204770), (3, 70803180), (4, 53102385), (5, 42481908), (6, 35401590), (7, 30344220), (9, 23601060), (10, 21240954), (12, 17700795), (14, 15172110), (15, 14160636), (18, 11800530), (20, 10620477), (21, 10114740), (27, 7867020), (28, 7586055), (30, 7080318), (35, 6068844), (36, 5900265), (42, 5057370), (45, 4720212), (54, 3933510), (60, 3540159), (63, 3371580), (70, 3034422), (81, 2622340), (84, 2528685), (90, 2360106), (105, 2022948), (108, 1966755), (126, 1685790), (135, 1573404), (140, 1517211), (162, 1311170), (180, 1180053), (189, 1123860), (210, 1011474), (252, 842895), (270, 786702), (315, 674316), (324, 655585), (378, 561930), (405, 524468), (420, 505737), (540, 393351), (567, 374620), (630, 337158), (756, 280965), (810, 262234), (945, 224772), (1134, 187310), (1260, 168579), (1620, 131117), (1890, 112386), (2268, 93655), (2835, 74924), (3780, 56193), (5670, 37462), (11340, 18731)]