123932240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 298976400

約数和(自身を除く): 175044160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 149, 185, 281, 296, 298, 370, 562, 592, 596, 740, 745, 1124, 1192, 1405, 1480, 1490, 2248, 2384, 2810, 2960, 2980, 4496, 5513, 5620, 5960, 10397, 11026, 11240, 11920, 20794, 22052, 22480, 27565, 41588, 41869, 44104, 51985, 55130, 83176, 83738, 88208, 103970, 110260, 166352, 167476, 207940, 209345, 220520, 334952, 415880, 418690, 441040, 669904, 831760, 837380, 1549153, 1674760, 3098306, 3349520, 6196612, 7745765, 12393224, 15491530, 24786448, 30983060, 61966120, 123932240]

約数ペア:

[(1, 123932240), (2, 61966120), (4, 30983060), (5, 24786448), (8, 15491530), (10, 12393224), (16, 7745765), (20, 6196612), (37, 3349520), (40, 3098306), (74, 1674760), (80, 1549153), (148, 837380), (149, 831760), (185, 669904), (281, 441040), (296, 418690), (298, 415880), (370, 334952), (562, 220520), (592, 209345), (596, 207940), (740, 167476), (745, 166352), (1124, 110260), (1192, 103970), (1405, 88208), (1480, 83738), (1490, 83176), (2248, 55130), (2384, 51985), (2810, 44104), (2960, 41869), (2980, 41588), (4496, 27565), (5513, 22480), (5620, 22052), (5960, 20794), (10397, 11920), (11026, 11240)]