15200520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 45904320

約数和(自身を除く): 30703800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 643, 788, 985, 1182, 1286, 1576, 1929, 1970, 2364, 2572, 2955, 3215, 3858, 3940, 4728, 5144, 5910, 6430, 7716, 7880, 9645, 11820, 12860, 15432, 19290, 23640, 25720, 38580, 77160, 126671, 253342, 380013, 506684, 633355, 760026, 1013368, 1266710, 1520052, 1900065, 2533420, 3040104, 3800130, 5066840, 7600260, 15200520]

約数ペア:

[(1, 15200520), (2, 7600260), (3, 5066840), (4, 3800130), (5, 3040104), (6, 2533420), (8, 1900065), (10, 1520052), (12, 1266710), (15, 1013368), (20, 760026), (24, 633355), (30, 506684), (40, 380013), (60, 253342), (120, 126671), (197, 77160), (394, 38580), (591, 25720), (643, 23640), (788, 19290), (985, 15432), (1182, 12860), (1286, 11820), (1576, 9645), (1929, 7880), (1970, 7716), (2364, 6430), (2572, 5910), (2955, 5144), (3215, 4728), (3858, 3940)]