76951980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 144

約数和(自身を含む): 269156160

約数和(自身を除く): 192204180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 389, 420, 471, 628, 630, 778, 785, 942, 1099, 1167, 1260, 1413, 1556, 1570, 1884, 1945, 2198, 2334, 2355, 2723, 2826, 3140, 3297, 3501, 3890, 4396, 4668, 4710, 5446, 5495, 5652, 5835, 6594, 7002, 7065, 7780, 8169, 9420, 9891, 10892, 10990, 11670, 13188, 13615, 14004, 14130, 16338, 16485, 17505, 19782, 21980, 23340, 24507, 27230, 28260, 32676, 32970, 35010, 39564, 40845, 49014, 49455, 54460, 61073, 65940, 70020, 81690, 98028, 98910, 122146, 122535, 163380, 183219, 197820, 244292, 245070, 305365, 366438, 427511, 490140, 549657, 610730, 732876, 855022, 916095, 1099314, 1221460, 1282533, 1710044, 1832190, 2137555, 2198628, 2565066, 2748285, 3664380, 3847599, 4275110, 5130132, 5496570, 6412665, 7695198, 8550220, 10993140, 12825330, 15390396, 19237995, 25650660, 38475990, 76951980]

約数ペア:

[(1, 76951980), (2, 38475990), (3, 25650660), (4, 19237995), (5, 15390396), (6, 12825330), (7, 10993140), (9, 8550220), (10, 7695198), (12, 6412665), (14, 5496570), (15, 5130132), (18, 4275110), (20, 3847599), (21, 3664380), (28, 2748285), (30, 2565066), (35, 2198628), (36, 2137555), (42, 1832190), (45, 1710044), (60, 1282533), (63, 1221460), (70, 1099314), (84, 916095), (90, 855022), (105, 732876), (126, 610730), (140, 549657), (157, 490140), (180, 427511), (210, 366438), (252, 305365), (314, 245070), (315, 244292), (389, 197820), (420, 183219), (471, 163380), (628, 122535), (630, 122146), (778, 98910), (785, 98028), (942, 81690), (1099, 70020), (1167, 65940), (1260, 61073), (1413, 54460), (1556, 49455), (1570, 49014), (1884, 40845), (1945, 39564), (2198, 35010), (2334, 32970), (2355, 32676), (2723, 28260), (2826, 27230), (3140, 24507), (3297, 23340), (3501, 21980), (3890, 19782), (4396, 17505), (4668, 16485), (4710, 16338), (5446, 14130), (5495, 14004), (5652, 13615), (5835, 13188), (6594, 11670), (7002, 10990), (7065, 10892), (7780, 9891), (8169, 9420)]