30321260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 65463552

約数和(自身を除く): 35142292

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 163, 262, 284, 326, 355, 524, 652, 655, 710, 815, 1310, 1420, 1630, 2620, 3260, 9301, 11573, 18602, 21353, 23146, 37204, 42706, 46292, 46505, 57865, 85412, 93010, 106765, 115730, 186020, 213530, 231460, 427060, 1516063, 3032126, 6064252, 7580315, 15160630, 30321260]

約数ペア:

[(1, 30321260), (2, 15160630), (4, 7580315), (5, 6064252), (10, 3032126), (20, 1516063), (71, 427060), (131, 231460), (142, 213530), (163, 186020), (262, 115730), (284, 106765), (326, 93010), (355, 85412), (524, 57865), (652, 46505), (655, 46292), (710, 42706), (815, 37204), (1310, 23146), (1420, 21353), (1630, 18602), (2620, 11573), (3260, 9301)]