1321740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1049}}^1$

素因数の和:1071

約数の個数: 72

約数和(自身を含む): 4586400

約数和(自身を除く): 3264660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1049, 1260, 2098, 3147, 4196, 5245, 6294, 7343, 9441, 10490, 12588, 14686, 15735, 18882, 20980, 22029, 29372, 31470, 36715, 37764, 44058, 47205, 62940, 66087, 73430, 88116, 94410, 110145, 132174, 146860, 188820, 220290, 264348, 330435, 440580, 660870, 1321740]

約数ペア:

[(1, 1321740), (2, 660870), (3, 440580), (4, 330435), (5, 264348), (6, 220290), (7, 188820), (9, 146860), (10, 132174), (12, 110145), (14, 94410), (15, 88116), (18, 73430), (20, 66087), (21, 62940), (28, 47205), (30, 44058), (35, 37764), (36, 36715), (42, 31470), (45, 29372), (60, 22029), (63, 20980), (70, 18882), (84, 15735), (90, 14686), (105, 12588), (126, 10490), (140, 9441), (180, 7343), (210, 6294), (252, 5245), (315, 4196), (420, 3147), (630, 2098), (1049, 1260)]