647972640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{64283}}^1$

素因数の和:64311

約数の個数: 144

約数和(自身を含む): 2527132608

約数和(自身を除く): 1879159968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 64283, 128566, 192849, 257132, 321415, 385698, 449981, 514264, 578547, 642830, 771396, 899962, 964245, 1028528, 1157094, 1285660, 1349943, 1542792, 1799924, 1928490, 2057056, 2249905, 2314188, 2571320, 2699886, 2892735, 3085584, 3599848, 3856980, 4049829, 4499810, 4628376, 5142640, 5399772, 5785470, 6171168, 6749715, 7199696, 7713960, 8099658, 8999620, 9256752, 10285280, 10799544, 11570940, 13499430, 14399392, 15427920, 16199316, 17999240, 18513504, 20249145, 21599088, 23141880, 26998860, 30855840, 32398632, 35998480, 40498290, 43198176, 46283760, 53997720, 64797264, 71996960, 80996580, 92567520, 107995440, 129594528, 161993160, 215990880, 323986320, 647972640]

約数ペア:

[(1, 647972640), (2, 323986320), (3, 215990880), (4, 161993160), (5, 129594528), (6, 107995440), (7, 92567520), (8, 80996580), (9, 71996960), (10, 64797264), (12, 53997720), (14, 46283760), (15, 43198176), (16, 40498290), (18, 35998480), (20, 32398632), (21, 30855840), (24, 26998860), (28, 23141880), (30, 21599088), (32, 20249145), (35, 18513504), (36, 17999240), (40, 16199316), (42, 15427920), (45, 14399392), (48, 13499430), (56, 11570940), (60, 10799544), (63, 10285280), (70, 9256752), (72, 8999620), (80, 8099658), (84, 7713960), (90, 7199696), (96, 6749715), (105, 6171168), (112, 5785470), (120, 5399772), (126, 5142640), (140, 4628376), (144, 4499810), (160, 4049829), (168, 3856980), (180, 3599848), (210, 3085584), (224, 2892735), (240, 2699886), (252, 2571320), (280, 2314188), (288, 2249905), (315, 2057056), (336, 1928490), (360, 1799924), (420, 1542792), (480, 1349943), (504, 1285660), (560, 1157094), (630, 1028528), (672, 964245), (720, 899962), (840, 771396), (1008, 642830), (1120, 578547), (1260, 514264), (1440, 449981), (1680, 385698), (2016, 321415), (2520, 257132), (3360, 192849), (5040, 128566), (10080, 64283)]