245820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 731808

約数和(自身を除く): 485988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 241, 255, 340, 482, 510, 723, 964, 1020, 1205, 1446, 2410, 2892, 3615, 4097, 4820, 7230, 8194, 12291, 14460, 16388, 20485, 24582, 40970, 49164, 61455, 81940, 122910, 245820]

約数ペア:

[(1, 245820), (2, 122910), (3, 81940), (4, 61455), (5, 49164), (6, 40970), (10, 24582), (12, 20485), (15, 16388), (17, 14460), (20, 12291), (30, 8194), (34, 7230), (51, 4820), (60, 4097), (68, 3615), (85, 2892), (102, 2410), (170, 1446), (204, 1205), (241, 1020), (255, 964), (340, 723), (482, 510)]