68857720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 159408000

約数和(自身を除く): 90550280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 163, 179, 236, 295, 326, 358, 472, 590, 652, 716, 815, 895, 1180, 1304, 1432, 1630, 1790, 2360, 3260, 3580, 6520, 7160, 9617, 10561, 19234, 21122, 29177, 38468, 42244, 48085, 52805, 58354, 76936, 84488, 96170, 105610, 116708, 145885, 192340, 211220, 233416, 291770, 384680, 422440, 583540, 1167080, 1721443, 3442886, 6885772, 8607215, 13771544, 17214430, 34428860, 68857720]

約数ペア:

[(1, 68857720), (2, 34428860), (4, 17214430), (5, 13771544), (8, 8607215), (10, 6885772), (20, 3442886), (40, 1721443), (59, 1167080), (118, 583540), (163, 422440), (179, 384680), (236, 291770), (295, 233416), (326, 211220), (358, 192340), (472, 145885), (590, 116708), (652, 105610), (716, 96170), (815, 84488), (895, 76936), (1180, 58354), (1304, 52805), (1432, 48085), (1630, 42244), (1790, 38468), (2360, 29177), (3260, 21122), (3580, 19234), (6520, 10561), (7160, 9617)]