261049560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50591}}^1$

素因数の和:50648

約数の個数: 64

約数和(自身を含む): 801377280

約数和(自身を除く): 540327720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 50591, 101182, 151773, 202364, 252955, 303546, 404728, 505910, 607092, 758865, 1011820, 1214184, 1517730, 2023640, 2175413, 3035460, 4350826, 6070920, 6526239, 8701652, 10877065, 13052478, 17403304, 21754130, 26104956, 32631195, 43508260, 52209912, 65262390, 87016520, 130524780, 261049560]

約数ペア:

[(1, 261049560), (2, 130524780), (3, 87016520), (4, 65262390), (5, 52209912), (6, 43508260), (8, 32631195), (10, 26104956), (12, 21754130), (15, 17403304), (20, 13052478), (24, 10877065), (30, 8701652), (40, 6526239), (43, 6070920), (60, 4350826), (86, 3035460), (120, 2175413), (129, 2023640), (172, 1517730), (215, 1214184), (258, 1011820), (344, 758865), (430, 607092), (516, 505910), (645, 404728), (860, 303546), (1032, 252955), (1290, 202364), (1720, 151773), (2580, 101182), (5160, 50591)]