87231520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:498

約数の個数: 96

約数和(自身を含む): 218211840

約数和(自身を除く): 130980320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 409, 430, 496, 620, 688, 818, 860, 992, 1240, 1333, 1376, 1636, 1720, 2045, 2480, 2666, 3272, 3440, 4090, 4960, 5332, 6544, 6665, 6880, 8180, 10664, 12679, 13088, 13330, 16360, 17587, 21328, 25358, 26660, 32720, 35174, 42656, 50716, 53320, 63395, 65440, 70348, 87935, 101432, 106640, 126790, 140696, 175870, 202864, 213280, 253580, 281392, 351740, 405728, 507160, 545197, 562784, 703480, 1014320, 1090394, 1406960, 2028640, 2180788, 2725985, 2813920, 4361576, 5451970, 8723152, 10903940, 17446304, 21807880, 43615760, 87231520]

約数ペア:

[(1, 87231520), (2, 43615760), (4, 21807880), (5, 17446304), (8, 10903940), (10, 8723152), (16, 5451970), (20, 4361576), (31, 2813920), (32, 2725985), (40, 2180788), (43, 2028640), (62, 1406960), (80, 1090394), (86, 1014320), (124, 703480), (155, 562784), (160, 545197), (172, 507160), (215, 405728), (248, 351740), (310, 281392), (344, 253580), (409, 213280), (430, 202864), (496, 175870), (620, 140696), (688, 126790), (818, 106640), (860, 101432), (992, 87935), (1240, 70348), (1333, 65440), (1376, 63395), (1636, 53320), (1720, 50716), (2045, 42656), (2480, 35174), (2666, 32720), (3272, 26660), (3440, 25358), (4090, 21328), (4960, 17587), (5332, 16360), (6544, 13330), (6665, 13088), (6880, 12679), (8180, 10664)]