19794960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1485

約数の個数: 120

約数和(自身を含む): 70025280

約数和(自身を除く): 50230320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1447, 1520, 1710, 2280, 2736, 2894, 3420, 4341, 4560, 5788, 6840, 7235, 8682, 11576, 13023, 13680, 14470, 17364, 21705, 23152, 26046, 27493, 28940, 34728, 43410, 52092, 54986, 57880, 65115, 69456, 82479, 86820, 104184, 109972, 115760, 130230, 137465, 164958, 173640, 208368, 219944, 247437, 260460, 274930, 329916, 347280, 412395, 439888, 494874, 520920, 549860, 659832, 824790, 989748, 1041840, 1099720, 1237185, 1319664, 1649580, 1979496, 2199440, 2474370, 3299160, 3958992, 4948740, 6598320, 9897480, 19794960]

約数ペア:

[(1, 19794960), (2, 9897480), (3, 6598320), (4, 4948740), (5, 3958992), (6, 3299160), (8, 2474370), (9, 2199440), (10, 1979496), (12, 1649580), (15, 1319664), (16, 1237185), (18, 1099720), (19, 1041840), (20, 989748), (24, 824790), (30, 659832), (36, 549860), (38, 520920), (40, 494874), (45, 439888), (48, 412395), (57, 347280), (60, 329916), (72, 274930), (76, 260460), (80, 247437), (90, 219944), (95, 208368), (114, 173640), (120, 164958), (144, 137465), (152, 130230), (171, 115760), (180, 109972), (190, 104184), (228, 86820), (240, 82479), (285, 69456), (304, 65115), (342, 57880), (360, 54986), (380, 52092), (456, 43410), (570, 34728), (684, 28940), (720, 27493), (760, 26046), (855, 23152), (912, 21705), (1140, 17364), (1368, 14470), (1447, 13680), (1520, 13023), (1710, 11576), (2280, 8682), (2736, 7235), (2894, 6840), (3420, 5788), (4341, 4560)]