15747120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{21871}}^1$

素因数の和:21890

約数の個数: 60

約数和(自身を含む): 52886496

約数和(自身を除く): 37139376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 21871, 43742, 65613, 87484, 109355, 131226, 174968, 196839, 218710, 262452, 328065, 349936, 393678, 437420, 524904, 656130, 787356, 874840, 984195, 1049808, 1312260, 1574712, 1749680, 1968390, 2624520, 3149424, 3936780, 5249040, 7873560, 15747120]

約数ペア:

[(1, 15747120), (2, 7873560), (3, 5249040), (4, 3936780), (5, 3149424), (6, 2624520), (8, 1968390), (9, 1749680), (10, 1574712), (12, 1312260), (15, 1049808), (16, 984195), (18, 874840), (20, 787356), (24, 656130), (30, 524904), (36, 437420), (40, 393678), (45, 349936), (48, 328065), (60, 262452), (72, 218710), (80, 196839), (90, 174968), (120, 131226), (144, 109355), (180, 87484), (240, 65613), (360, 43742), (720, 21871)]