8125740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{6449}}^1$

素因数の和:6471

約数の個数: 72

約数和(自身を含む): 28173600

約数和(自身を除く): 20047860

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, 1260, 6449, 12898, 19347, 25796, 32245, 38694, 45143, 58041, 64490, 77388, 90286, 96735, 116082, 128980, 135429, 180572, 193470, 225715, 232164, 270858, 290205, 386940, 406287, 451430, 541716, 580410, 677145, 812574, 902860, 1160820, 1354290, 1625148, 2031435, 2708580, 4062870, 8125740]

約数ペア:

[(1, 8125740), (2, 4062870), (3, 2708580), (4, 2031435), (5, 1625148), (6, 1354290), (7, 1160820), (9, 902860), (10, 812574), (12, 677145), (14, 580410), (15, 541716), (18, 451430), (20, 406287), (21, 386940), (28, 290205), (30, 270858), (35, 232164), (36, 225715), (42, 193470), (45, 180572), (60, 135429), (63, 128980), (70, 116082), (84, 96735), (90, 90286), (105, 77388), (126, 64490), (140, 58041), (180, 45143), (210, 38694), (252, 32245), (315, 25796), (420, 19347), (630, 12898), (1260, 6449)]