1385895680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2251}}^1$

素因数の和:2322

約数の個数: 144

約数和(自身を含む): 3673264224

約数和(自身を除く): 2287368544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 256, 260, 296, 320, 370, 416, 481, 520, 592, 640, 740, 832, 962, 1040, 1184, 1280, 1480, 1664, 1924, 2080, 2251, 2368, 2405, 2960, 3328, 3848, 4160, 4502, 4736, 4810, 5920, 7696, 8320, 9004, 9472, 9620, 11255, 11840, 15392, 16640, 18008, 19240, 22510, 23680, 29263, 30784, 36016, 38480, 45020, 47360, 58526, 61568, 72032, 76960, 83287, 90040, 117052, 123136, 144064, 146315, 153920, 166574, 180080, 234104, 288128, 292630, 307840, 333148, 360160, 416435, 468208, 576256, 585260, 615680, 666296, 720320, 832870, 936416, 1082731, 1170520, 1332592, 1440640, 1665740, 1872832, 2165462, 2341040, 2665184, 2881280, 3331480, 3745664, 4330924, 4682080, 5330368, 5413655, 6662960, 7491328, 8661848, 9364160, 10660736, 10827310, 13325920, 17323696, 18728320, 21321472, 21654620, 26651840, 34647392, 37456640, 43309240, 53303680, 69294784, 86618480, 106607360, 138589568, 173236960, 277179136, 346473920, 692947840, 1385895680]

約数ペア:

[(1, 1385895680), (2, 692947840), (4, 346473920), (5, 277179136), (8, 173236960), (10, 138589568), (13, 106607360), (16, 86618480), (20, 69294784), (26, 53303680), (32, 43309240), (37, 37456640), (40, 34647392), (52, 26651840), (64, 21654620), (65, 21321472), (74, 18728320), (80, 17323696), (104, 13325920), (128, 10827310), (130, 10660736), (148, 9364160), (160, 8661848), (185, 7491328), (208, 6662960), (256, 5413655), (260, 5330368), (296, 4682080), (320, 4330924), (370, 3745664), (416, 3331480), (481, 2881280), (520, 2665184), (592, 2341040), (640, 2165462), (740, 1872832), (832, 1665740), (962, 1440640), (1040, 1332592), (1184, 1170520), (1280, 1082731), (1480, 936416), (1664, 832870), (1924, 720320), (2080, 666296), (2251, 615680), (2368, 585260), (2405, 576256), (2960, 468208), (3328, 416435), (3848, 360160), (4160, 333148), (4502, 307840), (4736, 292630), (4810, 288128), (5920, 234104), (7696, 180080), (8320, 166574), (9004, 153920), (9472, 146315), (9620, 144064), (11255, 123136), (11840, 117052), (15392, 90040), (16640, 83287), (18008, 76960), (19240, 72032), (22510, 61568), (23680, 58526), (29263, 47360), (30784, 45020), (36016, 38480)]