19877504640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{211283}}^1$

素因数の和:211319

約数の個数: 192

約数和(自身を含む): 73704310560

約数和(自身を除く): 53826805920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 840, 896, 960, 980, 1120, 1176, 1344, 1470, 1568, 1680, 1920, 1960, 2240, 2352, 2688, 2940, 3136, 3360, 3920, 4480, 4704, 5880, 6272, 6720, 7840, 9408, 11760, 13440, 15680, 18816, 23520, 31360, 47040, 94080, 211283, 422566, 633849, 845132, 1056415, 1267698, 1478981, 1690264, 2112830, 2535396, 2957962, 3169245, 3380528, 4225660, 4436943, 5070792, 5915924, 6338490, 6761056, 7394905, 8451320, 8873886, 10141584, 10352867, 11831848, 12676980, 13522112, 14789810, 16902640, 17747772, 20283168, 20705734, 22184715, 23663696, 25353960, 27044224, 29579620, 31058601, 33805280, 35495544, 40566336, 41411468, 44369430, 47327392, 50707920, 51764335, 59159240, 62117202, 67610560, 70991088, 81132672, 82822936, 88738860, 94654784, 101415840, 103528670, 118318480, 124234404, 135221120, 141982176, 155293005, 165645872, 177477720, 189309568, 202831680, 207057340, 236636960, 248468808, 283964352, 310586010, 331291744, 354955440, 405663360, 414114680, 473273920, 496937616, 567928704, 621172020, 662583488, 709910880, 828229360, 946547840, 993875232, 1242344040, 1325166976, 1419821760, 1656458720, 1987750464, 2484688080, 2839643520, 3312917440, 3975500928, 4969376160, 6625834880, 9938752320, 19877504640]

約数ペア:

[(1, 19877504640), (2, 9938752320), (3, 6625834880), (4, 4969376160), (5, 3975500928), (6, 3312917440), (7, 2839643520), (8, 2484688080), (10, 1987750464), (12, 1656458720), (14, 1419821760), (15, 1325166976), (16, 1242344040), (20, 993875232), (21, 946547840), (24, 828229360), (28, 709910880), (30, 662583488), (32, 621172020), (35, 567928704), (40, 496937616), (42, 473273920), (48, 414114680), (49, 405663360), (56, 354955440), (60, 331291744), (64, 310586010), (70, 283964352), (80, 248468808), (84, 236636960), (96, 207057340), (98, 202831680), (105, 189309568), (112, 177477720), (120, 165645872), (128, 155293005), (140, 141982176), (147, 135221120), (160, 124234404), (168, 118318480), (192, 103528670), (196, 101415840), (210, 94654784), (224, 88738860), (240, 82822936), (245, 81132672), (280, 70991088), (294, 67610560), (320, 62117202), (336, 59159240), (384, 51764335), (392, 50707920), (420, 47327392), (448, 44369430), (480, 41411468), (490, 40566336), (560, 35495544), (588, 33805280), (640, 31058601), (672, 29579620), (735, 27044224), (784, 25353960), (840, 23663696), (896, 22184715), (960, 20705734), (980, 20283168), (1120, 17747772), (1176, 16902640), (1344, 14789810), (1470, 13522112), (1568, 12676980), (1680, 11831848), (1920, 10352867), (1960, 10141584), (2240, 8873886), (2352, 8451320), (2688, 7394905), (2940, 6761056), (3136, 6338490), (3360, 5915924), (3920, 5070792), (4480, 4436943), (4704, 4225660), (5880, 3380528), (6272, 3169245), (6720, 2957962), (7840, 2535396), (9408, 2112830), (11760, 1690264), (13440, 1478981), (15680, 1267698), (18816, 1056415), (23520, 845132), (31360, 633849), (47040, 422566), (94080, 211283)]