71831520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 248491152

約数和(自身を除く): 176659632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 240, 249, 288, 332, 360, 415, 480, 498, 601, 664, 720, 747, 830, 996, 1202, 1245, 1328, 1440, 1494, 1660, 1803, 1992, 2404, 2490, 2656, 2988, 3005, 3320, 3606, 3735, 3984, 4808, 4980, 5409, 5976, 6010, 6640, 7212, 7470, 7968, 9015, 9616, 9960, 10818, 11952, 12020, 13280, 14424, 14940, 18030, 19232, 19920, 21636, 23904, 24040, 27045, 28848, 29880, 36060, 39840, 43272, 48080, 49883, 54090, 57696, 59760, 72120, 86544, 96160, 99766, 108180, 119520, 144240, 149649, 173088, 199532, 216360, 249415, 288480, 299298, 399064, 432720, 448947, 498830, 598596, 748245, 798128, 865440, 897894, 997660, 1197192, 1496490, 1596256, 1795788, 1995320, 2244735, 2394384, 2992980, 3591576, 3990640, 4489470, 4788768, 5985960, 7183152, 7981280, 8978940, 11971920, 14366304, 17957880, 23943840, 35915760, 71831520]

約数ペア:

[(1, 71831520), (2, 35915760), (3, 23943840), (4, 17957880), (5, 14366304), (6, 11971920), (8, 8978940), (9, 7981280), (10, 7183152), (12, 5985960), (15, 4788768), (16, 4489470), (18, 3990640), (20, 3591576), (24, 2992980), (30, 2394384), (32, 2244735), (36, 1995320), (40, 1795788), (45, 1596256), (48, 1496490), (60, 1197192), (72, 997660), (80, 897894), (83, 865440), (90, 798128), (96, 748245), (120, 598596), (144, 498830), (160, 448947), (166, 432720), (180, 399064), (240, 299298), (249, 288480), (288, 249415), (332, 216360), (360, 199532), (415, 173088), (480, 149649), (498, 144240), (601, 119520), (664, 108180), (720, 99766), (747, 96160), (830, 86544), (996, 72120), (1202, 59760), (1245, 57696), (1328, 54090), (1440, 49883), (1494, 48080), (1660, 43272), (1803, 39840), (1992, 36060), (2404, 29880), (2490, 28848), (2656, 27045), (2988, 24040), (3005, 23904), (3320, 21636), (3606, 19920), (3735, 19232), (3984, 18030), (4808, 14940), (4980, 14424), (5409, 13280), (5976, 12020), (6010, 11952), (6640, 10818), (7212, 9960), (7470, 9616), (7968, 9015)]