30421890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2153}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 79637688

約数和(自身を除く): 49215798

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2153, 2355, 2826, 4306, 4710, 6459, 7065, 10765, 12918, 14130, 19377, 21530, 32295, 38754, 64590, 96885, 193770, 338021, 676042, 1014063, 1690105, 2028126, 3042189, 3380210, 5070315, 6084378, 10140630, 15210945, 30421890]

約数ペア:

[(1, 30421890), (2, 15210945), (3, 10140630), (5, 6084378), (6, 5070315), (9, 3380210), (10, 3042189), (15, 2028126), (18, 1690105), (30, 1014063), (45, 676042), (90, 338021), (157, 193770), (314, 96885), (471, 64590), (785, 38754), (942, 32295), (1413, 21530), (1570, 19377), (2153, 14130), (2355, 12918), (2826, 10765), (4306, 7065), (4710, 6459)]