15961680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3167}}^1$

素因数の和:3193

約数の個数: 120

約数和(自身を含む): 61281792

約数和(自身を除く): 45320112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3167, 5040, 6334, 9501, 12668, 15835, 19002, 22169, 25336, 28503, 31670, 38004, 44338, 47505, 50672, 57006, 63340, 66507, 76008, 88676, 95010, 110845, 114012, 126680, 133014, 142515, 152016, 177352, 190020, 199521, 221690, 228024, 253360, 266028, 285030, 332535, 354704, 380040, 399042, 443380, 456048, 532056, 570060, 665070, 760080, 798084, 886760, 997605, 1064112, 1140120, 1330140, 1596168, 1773520, 1995210, 2280240, 2660280, 3192336, 3990420, 5320560, 7980840, 15961680]

約数ペア:

[(1, 15961680), (2, 7980840), (3, 5320560), (4, 3990420), (5, 3192336), (6, 2660280), (7, 2280240), (8, 1995210), (9, 1773520), (10, 1596168), (12, 1330140), (14, 1140120), (15, 1064112), (16, 997605), (18, 886760), (20, 798084), (21, 760080), (24, 665070), (28, 570060), (30, 532056), (35, 456048), (36, 443380), (40, 399042), (42, 380040), (45, 354704), (48, 332535), (56, 285030), (60, 266028), (63, 253360), (70, 228024), (72, 221690), (80, 199521), (84, 190020), (90, 177352), (105, 152016), (112, 142515), (120, 133014), (126, 126680), (140, 114012), (144, 110845), (168, 95010), (180, 88676), (210, 76008), (240, 66507), (252, 63340), (280, 57006), (315, 50672), (336, 47505), (360, 44338), (420, 38004), (504, 31670), (560, 28503), (630, 25336), (720, 22169), (840, 19002), (1008, 15835), (1260, 12668), (1680, 9501), (2520, 6334), (3167, 5040)]