85579520

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 228355680

約数和(自身を除く): 142776160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 139, 148, 160, 185, 208, 256, 260, 278, 296, 320, 370, 416, 481, 520, 556, 592, 640, 695, 740, 832, 962, 1040, 1112, 1184, 1280, 1390, 1480, 1664, 1807, 1924, 2080, 2224, 2368, 2405, 2780, 2960, 3328, 3614, 3848, 4160, 4448, 4736, 4810, 5143, 5560, 5920, 7228, 7696, 8320, 8896, 9035, 9472, 9620, 10286, 11120, 11840, 14456, 15392, 16640, 17792, 18070, 19240, 20572, 22240, 23680, 25715, 28912, 30784, 35584, 36140, 38480, 41144, 44480, 47360, 51430, 57824, 61568, 66859, 72280, 76960, 82288, 88960, 102860, 115648, 123136, 133718, 144560, 153920, 164576, 177920, 205720, 231296, 267436, 289120, 307840, 329152, 334295, 411440, 462592, 534872, 578240, 615680, 658304, 668590, 822880, 1069744, 1156480, 1316608, 1337180, 1645760, 2139488, 2312960, 2674360, 3291520, 4278976, 5348720, 6583040, 8557952, 10697440, 17115904, 21394880, 42789760, 85579520]

約数ペア:

[(1, 85579520), (2, 42789760), (4, 21394880), (5, 17115904), (8, 10697440), (10, 8557952), (13, 6583040), (16, 5348720), (20, 4278976), (26, 3291520), (32, 2674360), (37, 2312960), (40, 2139488), (52, 1645760), (64, 1337180), (65, 1316608), (74, 1156480), (80, 1069744), (104, 822880), (128, 668590), (130, 658304), (139, 615680), (148, 578240), (160, 534872), (185, 462592), (208, 411440), (256, 334295), (260, 329152), (278, 307840), (296, 289120), (320, 267436), (370, 231296), (416, 205720), (481, 177920), (520, 164576), (556, 153920), (592, 144560), (640, 133718), (695, 123136), (740, 115648), (832, 102860), (962, 88960), (1040, 82288), (1112, 76960), (1184, 72280), (1280, 66859), (1390, 61568), (1480, 57824), (1664, 51430), (1807, 47360), (1924, 44480), (2080, 41144), (2224, 38480), (2368, 36140), (2405, 35584), (2780, 30784), (2960, 28912), (3328, 25715), (3614, 23680), (3848, 22240), (4160, 20572), (4448, 19240), (4736, 18070), (4810, 17792), (5143, 16640), (5560, 15392), (5920, 14456), (7228, 11840), (7696, 11120), (8320, 10286), (8896, 9620), (9035, 9472)]