80293575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 140348160

約数和(自身を除く): 60054585

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 89, 115, 267, 345, 445, 523, 575, 1335, 1569, 1725, 2047, 2225, 2615, 6141, 6675, 7845, 10235, 12029, 13075, 30705, 36087, 39225, 46547, 51175, 60145, 139641, 153525, 180435, 232735, 300725, 698205, 902175, 1070581, 1163675, 3211743, 3491025, 5352905, 16058715, 26764525, 80293575]

約数ペア:

[(1, 80293575), (3, 26764525), (5, 16058715), (15, 5352905), (23, 3491025), (25, 3211743), (69, 1163675), (75, 1070581), (89, 902175), (115, 698205), (267, 300725), (345, 232735), (445, 180435), (523, 153525), (575, 139641), (1335, 60145), (1569, 51175), (1725, 46547), (2047, 39225), (2225, 36087), (2615, 30705), (6141, 13075), (6675, 12029), (7845, 10235)]