219693780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1787}}^1$

素因数の和:2485

約数の個数: 72

約数和(自身を含む): 667753632

約数和(自身を除く): 448059852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 683, 1366, 1787, 2049, 2732, 3415, 3574, 4098, 5361, 6147, 6830, 7148, 8196, 8935, 10245, 10722, 12294, 13660, 16083, 17870, 20490, 21444, 24588, 26805, 30735, 32166, 35740, 40980, 53610, 61470, 64332, 80415, 107220, 122940, 160830, 321660, 1220521, 2441042, 3661563, 4882084, 6102605, 7323126, 10984689, 12205210, 14646252, 18307815, 21969378, 24410420, 36615630, 43938756, 54923445, 73231260, 109846890, 219693780]

約数ペア:

[(1, 219693780), (2, 109846890), (3, 73231260), (4, 54923445), (5, 43938756), (6, 36615630), (9, 24410420), (10, 21969378), (12, 18307815), (15, 14646252), (18, 12205210), (20, 10984689), (30, 7323126), (36, 6102605), (45, 4882084), (60, 3661563), (90, 2441042), (180, 1220521), (683, 321660), (1366, 160830), (1787, 122940), (2049, 107220), (2732, 80415), (3415, 64332), (3574, 61470), (4098, 53610), (5361, 40980), (6147, 35740), (6830, 32166), (7148, 30735), (8196, 26805), (8935, 24588), (10245, 21444), (10722, 20490), (12294, 17870), (13660, 16083)]