51639720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 256

約数和(自身を含む): 186624000

約数和(自身を除く): 134984280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 29, 30, 33, 38, 40, 44, 55, 57, 58, 60, 66, 71, 76, 87, 88, 95, 110, 114, 116, 120, 132, 142, 145, 152, 165, 174, 190, 209, 213, 220, 228, 232, 264, 284, 285, 290, 319, 330, 348, 355, 380, 418, 426, 435, 440, 456, 551, 568, 570, 580, 627, 638, 660, 696, 710, 760, 781, 836, 852, 870, 957, 1045, 1065, 1102, 1140, 1160, 1254, 1276, 1320, 1349, 1420, 1562, 1595, 1653, 1672, 1704, 1740, 1914, 2059, 2090, 2130, 2204, 2280, 2343, 2508, 2552, 2698, 2755, 2840, 3124, 3135, 3190, 3306, 3480, 3828, 3905, 4047, 4118, 4180, 4260, 4408, 4686, 4785, 5016, 5396, 5510, 6061, 6177, 6248, 6270, 6380, 6612, 6745, 7656, 7810, 8094, 8236, 8265, 8360, 8520, 9372, 9570, 10295, 10792, 11020, 11715, 12122, 12354, 12540, 12760, 13224, 13490, 14839, 15620, 16188, 16472, 16530, 18183, 18744, 19140, 20235, 20590, 22040, 22649, 23430, 24244, 24708, 25080, 26980, 29678, 30305, 30885, 31240, 32376, 33060, 36366, 38280, 39121, 40470, 41180, 44517, 45298, 46860, 48488, 49416, 53960, 59356, 60610, 61770, 66120, 67947, 72732, 74195, 78242, 80940, 82360, 89034, 90596, 90915, 93720, 113245, 117363, 118712, 121220, 123540, 135894, 145464, 148390, 156484, 161880, 178068, 181192, 181830, 195605, 222585, 226490, 234726, 242440, 247080, 271788, 296780, 312968, 339735, 356136, 363660, 391210, 430331, 445170, 452980, 469452, 543576, 586815, 593560, 679470, 727320, 782420, 860662, 890340, 905960, 938904, 1173630, 1290993, 1358940, 1564840, 1721324, 1780680, 2151655, 2347260, 2581986, 2717880, 3442648, 4303310, 4694520, 5163972, 6454965, 8606620, 10327944, 12909930, 17213240, 25819860, 51639720]

約数ペア:

[(1, 51639720), (2, 25819860), (3, 17213240), (4, 12909930), (5, 10327944), (6, 8606620), (8, 6454965), (10, 5163972), (11, 4694520), (12, 4303310), (15, 3442648), (19, 2717880), (20, 2581986), (22, 2347260), (24, 2151655), (29, 1780680), (30, 1721324), (33, 1564840), (38, 1358940), (40, 1290993), (44, 1173630), (55, 938904), (57, 905960), (58, 890340), (60, 860662), (66, 782420), (71, 727320), (76, 679470), (87, 593560), (88, 586815), (95, 543576), (110, 469452), (114, 452980), (116, 445170), (120, 430331), (132, 391210), (142, 363660), (145, 356136), (152, 339735), (165, 312968), (174, 296780), (190, 271788), (209, 247080), (213, 242440), (220, 234726), (228, 226490), (232, 222585), (264, 195605), (284, 181830), (285, 181192), (290, 178068), (319, 161880), (330, 156484), (348, 148390), (355, 145464), (380, 135894), (418, 123540), (426, 121220), (435, 118712), (440, 117363), (456, 113245), (551, 93720), (568, 90915), (570, 90596), (580, 89034), (627, 82360), (638, 80940), (660, 78242), (696, 74195), (710, 72732), (760, 67947), (781, 66120), (836, 61770), (852, 60610), (870, 59356), (957, 53960), (1045, 49416), (1065, 48488), (1102, 46860), (1140, 45298), (1160, 44517), (1254, 41180), (1276, 40470), (1320, 39121), (1349, 38280), (1420, 36366), (1562, 33060), (1595, 32376), (1653, 31240), (1672, 30885), (1704, 30305), (1740, 29678), (1914, 26980), (2059, 25080), (2090, 24708), (2130, 24244), (2204, 23430), (2280, 22649), (2343, 22040), (2508, 20590), (2552, 20235), (2698, 19140), (2755, 18744), (2840, 18183), (3124, 16530), (3135, 16472), (3190, 16188), (3306, 15620), (3480, 14839), (3828, 13490), (3905, 13224), (4047, 12760), (4118, 12540), (4180, 12354), (4260, 12122), (4408, 11715), (4686, 11020), (4785, 10792), (5016, 10295), (5396, 9570), (5510, 9372), (6061, 8520), (6177, 8360), (6248, 8265), (6270, 8236), (6380, 8094), (6612, 7810), (6745, 7656)]