77959140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 250629120

約数和(自身を除く): 172669980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 419, 420, 443, 838, 886, 1257, 1329, 1676, 1772, 2095, 2215, 2514, 2658, 2933, 3101, 4190, 4430, 5028, 5316, 5866, 6202, 6285, 6645, 8380, 8799, 8860, 9303, 11732, 12404, 12570, 13290, 14665, 15505, 17598, 18606, 25140, 26580, 29330, 31010, 35196, 37212, 43995, 46515, 58660, 62020, 87990, 93030, 175980, 185617, 186060, 371234, 556851, 742468, 928085, 1113702, 1299319, 1856170, 2227404, 2598638, 2784255, 3712340, 3897957, 5197276, 5568510, 6496595, 7795914, 11137020, 12993190, 15591828, 19489785, 25986380, 38979570, 77959140]

約数ペア:

[(1, 77959140), (2, 38979570), (3, 25986380), (4, 19489785), (5, 15591828), (6, 12993190), (7, 11137020), (10, 7795914), (12, 6496595), (14, 5568510), (15, 5197276), (20, 3897957), (21, 3712340), (28, 2784255), (30, 2598638), (35, 2227404), (42, 1856170), (60, 1299319), (70, 1113702), (84, 928085), (105, 742468), (140, 556851), (210, 371234), (419, 186060), (420, 185617), (443, 175980), (838, 93030), (886, 87990), (1257, 62020), (1329, 58660), (1676, 46515), (1772, 43995), (2095, 37212), (2215, 35196), (2514, 31010), (2658, 29330), (2933, 26580), (3101, 25140), (4190, 18606), (4430, 17598), (5028, 15505), (5316, 14665), (5866, 13290), (6202, 12570), (6285, 12404), (6645, 11732), (8380, 9303), (8799, 8860)]