646995960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138247}}^1$

素因数の和:138277

約数の個数: 96

約数和(自身を含む): 2264502240

約数和(自身を除く): 1617506280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 138247, 276494, 414741, 552988, 691235, 829482, 1105976, 1244223, 1382470, 1658964, 1797211, 2073705, 2488446, 2764940, 3317928, 3594422, 4147410, 4976892, 5391633, 5529880, 6221115, 7188844, 8294820, 8986055, 9953784, 10783266, 12442230, 14377688, 16174899, 16589640, 17972110, 21566532, 24884460, 26958165, 32349798, 35944220, 43133064, 49768920, 53916330, 64699596, 71888440, 80874495, 107832660, 129399192, 161748990, 215665320, 323497980, 646995960]

約数ペア:

[(1, 646995960), (2, 323497980), (3, 215665320), (4, 161748990), (5, 129399192), (6, 107832660), (8, 80874495), (9, 71888440), (10, 64699596), (12, 53916330), (13, 49768920), (15, 43133064), (18, 35944220), (20, 32349798), (24, 26958165), (26, 24884460), (30, 21566532), (36, 17972110), (39, 16589640), (40, 16174899), (45, 14377688), (52, 12442230), (60, 10783266), (65, 9953784), (72, 8986055), (78, 8294820), (90, 7188844), (104, 6221115), (117, 5529880), (120, 5391633), (130, 4976892), (156, 4147410), (180, 3594422), (195, 3317928), (234, 2764940), (260, 2488446), (312, 2073705), (360, 1797211), (390, 1658964), (468, 1382470), (520, 1244223), (585, 1105976), (780, 829482), (936, 691235), (1170, 552988), (1560, 414741), (2340, 276494), (4680, 138247)]