71144520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 225504000

約数和(自身を除く): 154359480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 173, 184, 230, 276, 298, 345, 346, 447, 460, 519, 552, 596, 690, 692, 745, 865, 894, 920, 1038, 1192, 1380, 1384, 1490, 1730, 1788, 2076, 2235, 2595, 2760, 2980, 3427, 3460, 3576, 3979, 4152, 4470, 5190, 5960, 6854, 6920, 7958, 8940, 10281, 10380, 11937, 13708, 15916, 17135, 17880, 19895, 20562, 20760, 23874, 25777, 27416, 31832, 34270, 39790, 41124, 47748, 51405, 51554, 59685, 68540, 77331, 79580, 82248, 95496, 102810, 103108, 119370, 128885, 137080, 154662, 159160, 205620, 206216, 238740, 257770, 309324, 386655, 411240, 477480, 515540, 592871, 618648, 773310, 1031080, 1185742, 1546620, 1778613, 2371484, 2964355, 3093240, 3557226, 4742968, 5928710, 7114452, 8893065, 11857420, 14228904, 17786130, 23714840, 35572260, 71144520]

約数ペア:

[(1, 71144520), (2, 35572260), (3, 23714840), (4, 17786130), (5, 14228904), (6, 11857420), (8, 8893065), (10, 7114452), (12, 5928710), (15, 4742968), (20, 3557226), (23, 3093240), (24, 2964355), (30, 2371484), (40, 1778613), (46, 1546620), (60, 1185742), (69, 1031080), (92, 773310), (115, 618648), (120, 592871), (138, 515540), (149, 477480), (173, 411240), (184, 386655), (230, 309324), (276, 257770), (298, 238740), (345, 206216), (346, 205620), (447, 159160), (460, 154662), (519, 137080), (552, 128885), (596, 119370), (690, 103108), (692, 102810), (745, 95496), (865, 82248), (894, 79580), (920, 77331), (1038, 68540), (1192, 59685), (1380, 51554), (1384, 51405), (1490, 47748), (1730, 41124), (1788, 39790), (2076, 34270), (2235, 31832), (2595, 27416), (2760, 25777), (2980, 23874), (3427, 20760), (3460, 20562), (3576, 19895), (3979, 17880), (4152, 17135), (4470, 15916), (5190, 13708), (5960, 11937), (6854, 10380), (6920, 10281), (7958, 8940)]