391347720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11689}}^1$

素因数の和:11740

約数の個数: 128

約数和(自身を含む): 1346688000

約数和(自身を除く): 955340280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 11689, 16740, 23378, 33480, 35067, 46756, 58445, 70134, 93512, 105201, 116890, 140268, 175335, 210402, 233780, 280536, 315603, 350670, 362359, 420804, 467560, 526005, 631206, 701340, 724718, 841608, 1052010, 1087077, 1262412, 1402680, 1449436, 1578015, 1811795, 2104020, 2174154, 2524824, 2898872, 3156030, 3261231, 3623590, 4208040, 4348308, 5435385, 6312060, 6522462, 7247180, 8696616, 9783693, 10870770, 12624120, 13044924, 14494360, 16306155, 19567386, 21741540, 26089848, 32612310, 39134772, 43483080, 48918465, 65224620, 78269544, 97836930, 130449240, 195673860, 391347720]

約数ペア:

[(1, 391347720), (2, 195673860), (3, 130449240), (4, 97836930), (5, 78269544), (6, 65224620), (8, 48918465), (9, 43483080), (10, 39134772), (12, 32612310), (15, 26089848), (18, 21741540), (20, 19567386), (24, 16306155), (27, 14494360), (30, 13044924), (31, 12624120), (36, 10870770), (40, 9783693), (45, 8696616), (54, 7247180), (60, 6522462), (62, 6312060), (72, 5435385), (90, 4348308), (93, 4208040), (108, 3623590), (120, 3261231), (124, 3156030), (135, 2898872), (155, 2524824), (180, 2174154), (186, 2104020), (216, 1811795), (248, 1578015), (270, 1449436), (279, 1402680), (310, 1262412), (360, 1087077), (372, 1052010), (465, 841608), (540, 724718), (558, 701340), (620, 631206), (744, 526005), (837, 467560), (930, 420804), (1080, 362359), (1116, 350670), (1240, 315603), (1395, 280536), (1674, 233780), (1860, 210402), (2232, 175335), (2790, 140268), (3348, 116890), (3720, 105201), (4185, 93512), (5580, 70134), (6696, 58445), (8370, 46756), (11160, 35067), (11689, 33480), (16740, 23378)]