16821360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:463

約数の個数: 120

約数和(自身を含む): 57567744

約数和(自身を除く): 40746384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 383, 488, 549, 610, 720, 732, 766, 915, 976, 1098, 1149, 1220, 1464, 1532, 1830, 1915, 2196, 2298, 2440, 2745, 2928, 3064, 3447, 3660, 3830, 4392, 4596, 4880, 5490, 5745, 6128, 6894, 7320, 7660, 8784, 9192, 10980, 11490, 13788, 14640, 15320, 17235, 18384, 21960, 22980, 23363, 27576, 30640, 34470, 43920, 45960, 46726, 55152, 68940, 70089, 91920, 93452, 116815, 137880, 140178, 186904, 210267, 233630, 275760, 280356, 350445, 373808, 420534, 467260, 560712, 700890, 841068, 934520, 1051335, 1121424, 1401780, 1682136, 1869040, 2102670, 2803560, 3364272, 4205340, 5607120, 8410680, 16821360]

約数ペア:

[(1, 16821360), (2, 8410680), (3, 5607120), (4, 4205340), (5, 3364272), (6, 2803560), (8, 2102670), (9, 1869040), (10, 1682136), (12, 1401780), (15, 1121424), (16, 1051335), (18, 934520), (20, 841068), (24, 700890), (30, 560712), (36, 467260), (40, 420534), (45, 373808), (48, 350445), (60, 280356), (61, 275760), (72, 233630), (80, 210267), (90, 186904), (120, 140178), (122, 137880), (144, 116815), (180, 93452), (183, 91920), (240, 70089), (244, 68940), (305, 55152), (360, 46726), (366, 45960), (383, 43920), (488, 34470), (549, 30640), (610, 27576), (720, 23363), (732, 22980), (766, 21960), (915, 18384), (976, 17235), (1098, 15320), (1149, 14640), (1220, 13788), (1464, 11490), (1532, 10980), (1830, 9192), (1915, 8784), (2196, 7660), (2298, 7320), (2440, 6894), (2745, 6128), (2928, 5745), (3064, 5490), (3447, 4880), (3660, 4596), (3830, 4392)]