11955760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 30132000

約数和(自身を除く): 18176240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 149, 170, 236, 272, 295, 298, 340, 472, 590, 596, 680, 745, 944, 1003, 1180, 1192, 1360, 1490, 2006, 2360, 2384, 2533, 2980, 4012, 4720, 5015, 5066, 5960, 8024, 8791, 10030, 10132, 11920, 12665, 16048, 17582, 20060, 20264, 25330, 35164, 40120, 40528, 43955, 50660, 70328, 80240, 87910, 101320, 140656, 149447, 175820, 202640, 298894, 351640, 597788, 703280, 747235, 1195576, 1494470, 2391152, 2988940, 5977880, 11955760]

約数ペア:

[(1, 11955760), (2, 5977880), (4, 2988940), (5, 2391152), (8, 1494470), (10, 1195576), (16, 747235), (17, 703280), (20, 597788), (34, 351640), (40, 298894), (59, 202640), (68, 175820), (80, 149447), (85, 140656), (118, 101320), (136, 87910), (149, 80240), (170, 70328), (236, 50660), (272, 43955), (295, 40528), (298, 40120), (340, 35164), (472, 25330), (590, 20264), (596, 20060), (680, 17582), (745, 16048), (944, 12665), (1003, 11920), (1180, 10132), (1192, 10030), (1360, 8791), (1490, 8024), (2006, 5960), (2360, 5066), (2384, 5015), (2533, 4720), (2980, 4012)]