87281640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{242449}}^1$

素因数の和:242466

約数の個数: 48

約数和(自身を含む): 283666500

約数和(自身を除く): 196384860

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 242449, 484898, 727347, 969796, 1212245, 1454694, 1939592, 2182041, 2424490, 2909388, 3636735, 4364082, 4848980, 5818776, 7273470, 8728164, 9697960, 10910205, 14546940, 17456328, 21820410, 29093880, 43640820, 87281640]

約数ペア:

[(1, 87281640), (2, 43640820), (3, 29093880), (4, 21820410), (5, 17456328), (6, 14546940), (8, 10910205), (9, 9697960), (10, 8728164), (12, 7273470), (15, 5818776), (18, 4848980), (20, 4364082), (24, 3636735), (30, 2909388), (36, 2424490), (40, 2182041), (45, 1939592), (60, 1454694), (72, 1212245), (90, 969796), (120, 727347), (180, 484898), (360, 242449)]