805212520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1427

約数の個数: 128

約数和(自身を含む): 2184537600

約数和(自身を除く): 1379325080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 97, 115, 140, 161, 184, 194, 230, 280, 322, 388, 460, 485, 644, 679, 776, 805, 920, 970, 1288, 1289, 1358, 1610, 1940, 2231, 2578, 2716, 3220, 3395, 3880, 4462, 5156, 5432, 6440, 6445, 6790, 8924, 9023, 10312, 11155, 12890, 13580, 15617, 17848, 18046, 22310, 25780, 27160, 29647, 31234, 36092, 44620, 45115, 51560, 59294, 62468, 72184, 78085, 89240, 90230, 118588, 124936, 125033, 148235, 156170, 180460, 207529, 237176, 250066, 296470, 312340, 360920, 415058, 500132, 592940, 624680, 625165, 830116, 875231, 1000264, 1037645, 1185880, 1250330, 1660232, 1750462, 2075290, 2500660, 2875759, 3500924, 4150580, 4376155, 5001320, 5751518, 7001848, 8301160, 8752310, 11503036, 14378795, 17504620, 20130313, 23006072, 28757590, 35009240, 40260626, 57515180, 80521252, 100651565, 115030360, 161042504, 201303130, 402606260, 805212520]

約数ペア:

[(1, 805212520), (2, 402606260), (4, 201303130), (5, 161042504), (7, 115030360), (8, 100651565), (10, 80521252), (14, 57515180), (20, 40260626), (23, 35009240), (28, 28757590), (35, 23006072), (40, 20130313), (46, 17504620), (56, 14378795), (70, 11503036), (92, 8752310), (97, 8301160), (115, 7001848), (140, 5751518), (161, 5001320), (184, 4376155), (194, 4150580), (230, 3500924), (280, 2875759), (322, 2500660), (388, 2075290), (460, 1750462), (485, 1660232), (644, 1250330), (679, 1185880), (776, 1037645), (805, 1000264), (920, 875231), (970, 830116), (1288, 625165), (1289, 624680), (1358, 592940), (1610, 500132), (1940, 415058), (2231, 360920), (2578, 312340), (2716, 296470), (3220, 250066), (3395, 237176), (3880, 207529), (4462, 180460), (5156, 156170), (5432, 148235), (6440, 125033), (6445, 124936), (6790, 118588), (8924, 90230), (9023, 89240), (10312, 78085), (11155, 72184), (12890, 62468), (13580, 59294), (15617, 51560), (17848, 45115), (18046, 44620), (22310, 36092), (25780, 31234), (27160, 29647)]