23040640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 65116800

約数和(自身を除く): 42076160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 139, 140, 148, 160, 185, 224, 259, 278, 280, 296, 320, 370, 448, 518, 556, 560, 592, 640, 695, 740, 896, 973, 1036, 1112, 1120, 1184, 1295, 1390, 1480, 1946, 2072, 2224, 2240, 2368, 2590, 2780, 2960, 3892, 4144, 4448, 4480, 4736, 4865, 5143, 5180, 5560, 5920, 7784, 8288, 8896, 9730, 10286, 10360, 11120, 11840, 15568, 16576, 17792, 19460, 20572, 20720, 22240, 23680, 25715, 31136, 33152, 36001, 38920, 41144, 41440, 44480, 51430, 62272, 72002, 77840, 82288, 82880, 88960, 102860, 124544, 144004, 155680, 164576, 165760, 180005, 205720, 288008, 311360, 329152, 360010, 411440, 576016, 622720, 658304, 720020, 822880, 1152032, 1440040, 1645760, 2304064, 2880080, 3291520, 4608128, 5760160, 11520320, 23040640]

約数ペア:

[(1, 23040640), (2, 11520320), (4, 5760160), (5, 4608128), (7, 3291520), (8, 2880080), (10, 2304064), (14, 1645760), (16, 1440040), (20, 1152032), (28, 822880), (32, 720020), (35, 658304), (37, 622720), (40, 576016), (56, 411440), (64, 360010), (70, 329152), (74, 311360), (80, 288008), (112, 205720), (128, 180005), (139, 165760), (140, 164576), (148, 155680), (160, 144004), (185, 124544), (224, 102860), (259, 88960), (278, 82880), (280, 82288), (296, 77840), (320, 72002), (370, 62272), (448, 51430), (518, 44480), (556, 41440), (560, 41144), (592, 38920), (640, 36001), (695, 33152), (740, 31136), (896, 25715), (973, 23680), (1036, 22240), (1112, 20720), (1120, 20572), (1184, 19460), (1295, 17792), (1390, 16576), (1480, 15568), (1946, 11840), (2072, 11120), (2224, 10360), (2240, 10286), (2368, 9730), (2590, 8896), (2780, 8288), (2960, 7784), (3892, 5920), (4144, 5560), (4448, 5180), (4480, 5143), (4736, 4865)]