83806640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:810

約数の個数: 80

約数和(自身を含む): 205701120

約数和(自身を除く): 121894480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 719, 752, 940, 1240, 1438, 1457, 1880, 2480, 2876, 2914, 3595, 3760, 5752, 5828, 7190, 7285, 11504, 11656, 14380, 14570, 22289, 23312, 28760, 29140, 33793, 44578, 57520, 58280, 67586, 89156, 111445, 116560, 135172, 168965, 178312, 222890, 270344, 337930, 356624, 445780, 540688, 675860, 891560, 1047583, 1351720, 1783120, 2095166, 2703440, 4190332, 5237915, 8380664, 10475830, 16761328, 20951660, 41903320, 83806640]

約数ペア:

[(1, 83806640), (2, 41903320), (4, 20951660), (5, 16761328), (8, 10475830), (10, 8380664), (16, 5237915), (20, 4190332), (31, 2703440), (40, 2095166), (47, 1783120), (62, 1351720), (80, 1047583), (94, 891560), (124, 675860), (155, 540688), (188, 445780), (235, 356624), (248, 337930), (310, 270344), (376, 222890), (470, 178312), (496, 168965), (620, 135172), (719, 116560), (752, 111445), (940, 89156), (1240, 67586), (1438, 58280), (1457, 57520), (1880, 44578), (2480, 33793), (2876, 29140), (2914, 28760), (3595, 23312), (3760, 22289), (5752, 14570), (5828, 14380), (7190, 11656), (7285, 11504)]