15205480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 36936000

約数和(自身を除く): 21730520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 379, 472, 590, 680, 758, 1003, 1180, 1516, 1895, 2006, 2360, 3032, 3790, 4012, 5015, 6443, 7580, 8024, 10030, 12886, 15160, 20060, 22361, 25772, 32215, 40120, 44722, 51544, 64430, 89444, 111805, 128860, 178888, 223610, 257720, 380137, 447220, 760274, 894440, 1520548, 1900685, 3041096, 3801370, 7602740, 15205480]

約数ペア:

[(1, 15205480), (2, 7602740), (4, 3801370), (5, 3041096), (8, 1900685), (10, 1520548), (17, 894440), (20, 760274), (34, 447220), (40, 380137), (59, 257720), (68, 223610), (85, 178888), (118, 128860), (136, 111805), (170, 89444), (236, 64430), (295, 51544), (340, 44722), (379, 40120), (472, 32215), (590, 25772), (680, 22361), (758, 20060), (1003, 15160), (1180, 12886), (1516, 10030), (1895, 8024), (2006, 7580), (2360, 6443), (3032, 5015), (3790, 4012)]