640559808

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2115

約数の個数: 168

約数和(自身を含む): 2125959680

約数和(自身を除く): 1485399872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 79, 84, 96, 112, 126, 144, 158, 168, 192, 224, 237, 252, 288, 316, 336, 448, 474, 504, 553, 576, 632, 672, 711, 948, 1008, 1106, 1264, 1344, 1422, 1659, 1896, 2011, 2016, 2212, 2528, 2844, 3318, 3792, 4022, 4032, 4424, 4977, 5056, 5688, 6033, 6636, 7584, 8044, 8848, 9954, 11376, 12066, 13272, 14077, 15168, 16088, 17696, 18099, 19908, 22752, 24132, 26544, 28154, 32176, 35392, 36198, 39816, 42231, 45504, 48264, 53088, 56308, 64352, 72396, 79632, 84462, 96528, 106176, 112616, 126693, 128704, 144792, 158869, 159264, 168924, 193056, 225232, 253386, 289584, 317738, 318528, 337848, 386112, 450464, 476607, 506772, 579168, 635476, 675696, 900928, 953214, 1013544, 1112083, 1158336, 1270952, 1351392, 1429821, 1906428, 2027088, 2224166, 2541904, 2702784, 2859642, 3336249, 3812856, 4054176, 4448332, 5083808, 5719284, 6672498, 7625712, 8108352, 8896664, 10008747, 10167616, 11438568, 13344996, 15251424, 17793328, 20017494, 22877136, 26689992, 30502848, 35586656, 40034988, 45754272, 53379984, 71173312, 80069976, 91508544, 106759968, 160139952, 213519936, 320279904, 640559808]

約数ペア:

[(1, 640559808), (2, 320279904), (3, 213519936), (4, 160139952), (6, 106759968), (7, 91508544), (8, 80069976), (9, 71173312), (12, 53379984), (14, 45754272), (16, 40034988), (18, 35586656), (21, 30502848), (24, 26689992), (28, 22877136), (32, 20017494), (36, 17793328), (42, 15251424), (48, 13344996), (56, 11438568), (63, 10167616), (64, 10008747), (72, 8896664), (79, 8108352), (84, 7625712), (96, 6672498), (112, 5719284), (126, 5083808), (144, 4448332), (158, 4054176), (168, 3812856), (192, 3336249), (224, 2859642), (237, 2702784), (252, 2541904), (288, 2224166), (316, 2027088), (336, 1906428), (448, 1429821), (474, 1351392), (504, 1270952), (553, 1158336), (576, 1112083), (632, 1013544), (672, 953214), (711, 900928), (948, 675696), (1008, 635476), (1106, 579168), (1264, 506772), (1344, 476607), (1422, 450464), (1659, 386112), (1896, 337848), (2011, 318528), (2016, 317738), (2212, 289584), (2528, 253386), (2844, 225232), (3318, 193056), (3792, 168924), (4022, 159264), (4032, 158869), (4424, 144792), (4977, 128704), (5056, 126693), (5688, 112616), (6033, 106176), (6636, 96528), (7584, 84462), (8044, 79632), (8848, 72396), (9954, 64352), (11376, 56308), (12066, 53088), (13272, 48264), (14077, 45504), (15168, 42231), (16088, 39816), (17696, 36198), (18099, 35392), (19908, 32176), (22752, 28154), (24132, 26544)]