79877080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1741}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 190644480

約数和(自身を除く): 110767400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 1741, 2294, 3482, 4588, 5735, 6964, 8705, 9176, 11470, 13928, 17410, 22940, 34820, 45880, 53971, 64417, 69640, 107942, 128834, 215884, 257668, 269855, 322085, 431768, 515336, 539710, 644170, 1079420, 1288340, 1996927, 2158840, 2576680, 3993854, 7987708, 9984635, 15975416, 19969270, 39938540, 79877080]

約数ペア:

[(1, 79877080), (2, 39938540), (4, 19969270), (5, 15975416), (8, 9984635), (10, 7987708), (20, 3993854), (31, 2576680), (37, 2158840), (40, 1996927), (62, 1288340), (74, 1079420), (124, 644170), (148, 539710), (155, 515336), (185, 431768), (248, 322085), (296, 269855), (310, 257668), (370, 215884), (620, 128834), (740, 107942), (1147, 69640), (1240, 64417), (1480, 53971), (1741, 45880), (2294, 34820), (3482, 22940), (4588, 17410), (5735, 13928), (6964, 11470), (8705, 9176)]