681660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{541}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 2367456

約数和(自身を除く): 1685796

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, 541, 630, 1082, 1260, 1623, 2164, 2705, 3246, 3787, 4869, 5410, 6492, 7574, 8115, 9738, 10820, 11361, 15148, 16230, 18935, 19476, 22722, 24345, 32460, 34083, 37870, 45444, 48690, 56805, 68166, 75740, 97380, 113610, 136332, 170415, 227220, 340830, 681660]

約数ペア:

[(1, 681660), (2, 340830), (3, 227220), (4, 170415), (5, 136332), (6, 113610), (7, 97380), (9, 75740), (10, 68166), (12, 56805), (14, 48690), (15, 45444), (18, 37870), (20, 34083), (21, 32460), (28, 24345), (30, 22722), (35, 19476), (36, 18935), (42, 16230), (45, 15148), (60, 11361), (63, 10820), (70, 9738), (84, 8115), (90, 7574), (105, 6492), (126, 5410), (140, 4869), (180, 3787), (210, 3246), (252, 2705), (315, 2164), (420, 1623), (541, 1260), (630, 1082)]