205662080

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 128

約数和(自身を含む): 557776800

約数和(自身を除く): 352114720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1301, 1520, 1664, 1976, 2080, 2432, 2470, 2602, 3040, 3952, 4160, 4940, 5204, 6080, 6505, 7904, 8320, 9880, 10408, 12160, 13010, 15808, 16913, 19760, 20816, 24719, 26020, 31616, 33826, 39520, 41632, 49438, 52040, 67652, 79040, 83264, 84565, 98876, 104080, 123595, 135304, 158080, 166528, 169130, 197752, 208160, 247190, 270608, 321347, 338260, 395504, 416320, 494380, 541216, 642694, 676520, 791008, 832640, 988760, 1082432, 1285388, 1353040, 1582016, 1606735, 1977520, 2164864, 2570776, 2706080, 3164032, 3213470, 3955040, 5141552, 5412160, 6426940, 7910080, 10283104, 10824320, 12853880, 15820160, 20566208, 25707760, 41132416, 51415520, 102831040, 205662080]

約数ペア:

[(1, 205662080), (2, 102831040), (4, 51415520), (5, 41132416), (8, 25707760), (10, 20566208), (13, 15820160), (16, 12853880), (19, 10824320), (20, 10283104), (26, 7910080), (32, 6426940), (38, 5412160), (40, 5141552), (52, 3955040), (64, 3213470), (65, 3164032), (76, 2706080), (80, 2570776), (95, 2164864), (104, 1977520), (128, 1606735), (130, 1582016), (152, 1353040), (160, 1285388), (190, 1082432), (208, 988760), (247, 832640), (260, 791008), (304, 676520), (320, 642694), (380, 541216), (416, 494380), (494, 416320), (520, 395504), (608, 338260), (640, 321347), (760, 270608), (832, 247190), (988, 208160), (1040, 197752), (1216, 169130), (1235, 166528), (1301, 158080), (1520, 135304), (1664, 123595), (1976, 104080), (2080, 98876), (2432, 84565), (2470, 83264), (2602, 79040), (3040, 67652), (3952, 52040), (4160, 49438), (4940, 41632), (5204, 39520), (6080, 33826), (6505, 31616), (7904, 26020), (8320, 24719), (9880, 20816), (10408, 19760), (12160, 16913), (13010, 15808)]