15325840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 23243120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 191, 236, 272, 295, 340, 382, 472, 590, 680, 764, 944, 955, 1003, 1180, 1360, 1528, 1910, 2006, 2360, 3056, 3247, 3820, 4012, 4720, 5015, 6494, 7640, 8024, 10030, 11269, 12988, 15280, 16048, 16235, 20060, 22538, 25976, 32470, 40120, 45076, 51952, 56345, 64940, 80240, 90152, 112690, 129880, 180304, 191573, 225380, 259760, 383146, 450760, 766292, 901520, 957865, 1532584, 1915730, 3065168, 3831460, 7662920, 15325840]

約数ペア:

[(1, 15325840), (2, 7662920), (4, 3831460), (5, 3065168), (8, 1915730), (10, 1532584), (16, 957865), (17, 901520), (20, 766292), (34, 450760), (40, 383146), (59, 259760), (68, 225380), (80, 191573), (85, 180304), (118, 129880), (136, 112690), (170, 90152), (191, 80240), (236, 64940), (272, 56345), (295, 51952), (340, 45076), (382, 40120), (472, 32470), (590, 25976), (680, 22538), (764, 20060), (944, 16235), (955, 16048), (1003, 15280), (1180, 12988), (1360, 11269), (1528, 10030), (1910, 8024), (2006, 7640), (2360, 6494), (3056, 5015), (3247, 4720), (3820, 4012)]