15895920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 49818240

約数和(自身を除く): 33922320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 619, 642, 856, 1070, 1238, 1284, 1605, 1712, 1857, 2140, 2476, 2568, 3095, 3210, 3714, 4280, 4952, 5136, 6190, 6420, 7428, 8560, 9285, 9904, 12380, 12840, 14856, 18570, 24760, 25680, 29712, 37140, 49520, 66233, 74280, 132466, 148560, 198699, 264932, 331165, 397398, 529864, 662330, 794796, 993495, 1059728, 1324660, 1589592, 1986990, 2649320, 3179184, 3973980, 5298640, 7947960, 15895920]

約数ペア:

[(1, 15895920), (2, 7947960), (3, 5298640), (4, 3973980), (5, 3179184), (6, 2649320), (8, 1986990), (10, 1589592), (12, 1324660), (15, 1059728), (16, 993495), (20, 794796), (24, 662330), (30, 529864), (40, 397398), (48, 331165), (60, 264932), (80, 198699), (107, 148560), (120, 132466), (214, 74280), (240, 66233), (321, 49520), (428, 37140), (535, 29712), (619, 25680), (642, 24760), (856, 18570), (1070, 14856), (1238, 12840), (1284, 12380), (1605, 9904), (1712, 9285), (1857, 8560), (2140, 7428), (2476, 6420), (2568, 6190), (3095, 5136), (3210, 4952), (3714, 4280)]