85681920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 279472032

約数和(自身を除く): 193790112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 256, 265, 318, 320, 384, 421, 424, 480, 530, 636, 640, 768, 795, 842, 848, 960, 1060, 1263, 1272, 1280, 1590, 1684, 1696, 1920, 2105, 2120, 2526, 2544, 3180, 3368, 3392, 3840, 4210, 4240, 5052, 5088, 6315, 6360, 6736, 6784, 8420, 8480, 10104, 10176, 12630, 12720, 13472, 13568, 16840, 16960, 20208, 20352, 22313, 25260, 25440, 26944, 33680, 33920, 40416, 40704, 44626, 50520, 50880, 53888, 66939, 67360, 67840, 80832, 89252, 101040, 101760, 107776, 111565, 133878, 134720, 161664, 178504, 202080, 203520, 223130, 267756, 269440, 323328, 334695, 357008, 404160, 446260, 535512, 538880, 669390, 714016, 808320, 892520, 1071024, 1338780, 1428032, 1616640, 1785040, 2142048, 2677560, 2856064, 3570080, 4284096, 5355120, 5712128, 7140160, 8568192, 10710240, 14280320, 17136384, 21420480, 28560640, 42840960, 85681920]

約数ペア:

[(1, 85681920), (2, 42840960), (3, 28560640), (4, 21420480), (5, 17136384), (6, 14280320), (8, 10710240), (10, 8568192), (12, 7140160), (15, 5712128), (16, 5355120), (20, 4284096), (24, 3570080), (30, 2856064), (32, 2677560), (40, 2142048), (48, 1785040), (53, 1616640), (60, 1428032), (64, 1338780), (80, 1071024), (96, 892520), (106, 808320), (120, 714016), (128, 669390), (159, 538880), (160, 535512), (192, 446260), (212, 404160), (240, 357008), (256, 334695), (265, 323328), (318, 269440), (320, 267756), (384, 223130), (421, 203520), (424, 202080), (480, 178504), (530, 161664), (636, 134720), (640, 133878), (768, 111565), (795, 107776), (842, 101760), (848, 101040), (960, 89252), (1060, 80832), (1263, 67840), (1272, 67360), (1280, 66939), (1590, 53888), (1684, 50880), (1696, 50520), (1920, 44626), (2105, 40704), (2120, 40416), (2526, 33920), (2544, 33680), (3180, 26944), (3368, 25440), (3392, 25260), (3840, 22313), (4210, 20352), (4240, 20208), (5052, 16960), (5088, 16840), (6315, 13568), (6360, 13472), (6736, 12720), (6784, 12630), (8420, 10176), (8480, 10104)]