99775980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17881}}^1$

素因数の和:17927

約数の個数: 72

約数和(自身を含む): 312434304

約数和(自身を除く): 212658324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 17881, 35762, 53643, 71524, 89405, 107286, 160929, 178810, 214572, 268215, 321858, 357620, 536430, 554311, 643716, 804645, 1072860, 1108622, 1609290, 1662933, 2217244, 2771555, 3218580, 3325866, 4988799, 5543110, 6651732, 8314665, 9977598, 11086220, 16629330, 19955196, 24943995, 33258660, 49887990, 99775980]

約数ペア:

[(1, 99775980), (2, 49887990), (3, 33258660), (4, 24943995), (5, 19955196), (6, 16629330), (9, 11086220), (10, 9977598), (12, 8314665), (15, 6651732), (18, 5543110), (20, 4988799), (30, 3325866), (31, 3218580), (36, 2771555), (45, 2217244), (60, 1662933), (62, 1609290), (90, 1108622), (93, 1072860), (124, 804645), (155, 643716), (180, 554311), (186, 536430), (279, 357620), (310, 321858), (372, 268215), (465, 214572), (558, 178810), (620, 160929), (930, 107286), (1116, 89405), (1395, 71524), (1860, 53643), (2790, 35762), (5580, 17881)]