640476396

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 240

約数和(自身を含む): 2049062400

約数和(自身を除く): 1408586004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 89, 108, 114, 126, 133, 162, 167, 171, 178, 189, 228, 252, 266, 267, 324, 334, 342, 356, 378, 399, 501, 513, 532, 534, 567, 623, 668, 684, 756, 798, 801, 1002, 1026, 1068, 1134, 1169, 1197, 1246, 1503, 1539, 1596, 1602, 1691, 1869, 2004, 2052, 2268, 2338, 2394, 2403, 2492, 3006, 3078, 3173, 3204, 3382, 3507, 3591, 3738, 4509, 4676, 4788, 4806, 5073, 5607, 6012, 6156, 6346, 6764, 7014, 7182, 7209, 7476, 9018, 9519, 9612, 10146, 10521, 10773, 11214, 11837, 12692, 13527, 14028, 14364, 14418, 14863, 15219, 16821, 18036, 19038, 20292, 21042, 21546, 22211, 22428, 23674, 27054, 28557, 28836, 29726, 30438, 31563, 33642, 35511, 38076, 42084, 43092, 44422, 44589, 45657, 47348, 50463, 54108, 57114, 59452, 60876, 63126, 66633, 67284, 71022, 85671, 88844, 89178, 91314, 94689, 100926, 104041, 106533, 114228, 126252, 133266, 133767, 136971, 142044, 171342, 178356, 182628, 189378, 199899, 201852, 208082, 213066, 257013, 266532, 267534, 273942, 282397, 312123, 319599, 342684, 378756, 399798, 401301, 416164, 426132, 514026, 535068, 547884, 564794, 599697, 624246, 639198, 799596, 802602, 847191, 936369, 958797, 1028052, 1129588, 1199394, 1203903, 1248492, 1278396, 1605204, 1694382, 1799091, 1872738, 1917594, 1976779, 2398788, 2407806, 2541573, 2809107, 3388764, 3598182, 3745476, 3835188, 3953558, 4815612, 5083146, 5618214, 5930337, 7196364, 7624719, 7907116, 8427321, 10166292, 11236428, 11860674, 15249438, 16854642, 17791011, 22874157, 23721348, 30498876, 33709284, 35582022, 45748314, 53373033, 71164044, 91496628, 106746066, 160119099, 213492132, 320238198, 640476396]

約数ペア:

[(1, 640476396), (2, 320238198), (3, 213492132), (4, 160119099), (6, 106746066), (7, 91496628), (9, 71164044), (12, 53373033), (14, 45748314), (18, 35582022), (19, 33709284), (21, 30498876), (27, 23721348), (28, 22874157), (36, 17791011), (38, 16854642), (42, 15249438), (54, 11860674), (57, 11236428), (63, 10166292), (76, 8427321), (81, 7907116), (84, 7624719), (89, 7196364), (108, 5930337), (114, 5618214), (126, 5083146), (133, 4815612), (162, 3953558), (167, 3835188), (171, 3745476), (178, 3598182), (189, 3388764), (228, 2809107), (252, 2541573), (266, 2407806), (267, 2398788), (324, 1976779), (334, 1917594), (342, 1872738), (356, 1799091), (378, 1694382), (399, 1605204), (501, 1278396), (513, 1248492), (532, 1203903), (534, 1199394), (567, 1129588), (623, 1028052), (668, 958797), (684, 936369), (756, 847191), (798, 802602), (801, 799596), (1002, 639198), (1026, 624246), (1068, 599697), (1134, 564794), (1169, 547884), (1197, 535068), (1246, 514026), (1503, 426132), (1539, 416164), (1596, 401301), (1602, 399798), (1691, 378756), (1869, 342684), (2004, 319599), (2052, 312123), (2268, 282397), (2338, 273942), (2394, 267534), (2403, 266532), (2492, 257013), (3006, 213066), (3078, 208082), (3173, 201852), (3204, 199899), (3382, 189378), (3507, 182628), (3591, 178356), (3738, 171342), (4509, 142044), (4676, 136971), (4788, 133767), (4806, 133266), (5073, 126252), (5607, 114228), (6012, 106533), (6156, 104041), (6346, 100926), (6764, 94689), (7014, 91314), (7182, 89178), (7209, 88844), (7476, 85671), (9018, 71022), (9519, 67284), (9612, 66633), (10146, 63126), (10521, 60876), (10773, 59452), (11214, 57114), (11837, 54108), (12692, 50463), (13527, 47348), (14028, 45657), (14364, 44589), (14418, 44422), (14863, 43092), (15219, 42084), (16821, 38076), (18036, 35511), (19038, 33642), (20292, 31563), (21042, 30438), (21546, 29726), (22211, 28836), (22428, 28557), (23674, 27054)]