321905904

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 878515200

約数和(自身を除く): 556609296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 409, 456, 818, 863, 912, 1227, 1636, 1726, 2454, 2589, 3272, 3452, 4908, 5178, 6544, 6904, 7771, 9816, 10356, 13808, 15542, 16397, 19632, 20712, 23313, 31084, 32794, 41424, 46626, 49191, 62168, 65588, 93252, 98382, 124336, 131176, 186504, 196764, 262352, 352967, 373008, 393528, 705934, 787056, 1058901, 1411868, 2117802, 2823736, 4235604, 5647472, 6706373, 8471208, 13412746, 16942416, 20119119, 26825492, 40238238, 53650984, 80476476, 107301968, 160952952, 321905904]

約数ペア:

[(1, 321905904), (2, 160952952), (3, 107301968), (4, 80476476), (6, 53650984), (8, 40238238), (12, 26825492), (16, 20119119), (19, 16942416), (24, 13412746), (38, 8471208), (48, 6706373), (57, 5647472), (76, 4235604), (114, 2823736), (152, 2117802), (228, 1411868), (304, 1058901), (409, 787056), (456, 705934), (818, 393528), (863, 373008), (912, 352967), (1227, 262352), (1636, 196764), (1726, 186504), (2454, 131176), (2589, 124336), (3272, 98382), (3452, 93252), (4908, 65588), (5178, 62168), (6544, 49191), (6904, 46626), (7771, 41424), (9816, 32794), (10356, 31084), (13808, 23313), (15542, 20712), (16397, 19632)]