2757720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{67}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 9792000

約数和(自身を除く): 7034280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 67, 70, 84, 98, 105, 120, 134, 140, 147, 168, 196, 201, 210, 245, 268, 280, 294, 335, 343, 392, 402, 420, 469, 490, 536, 588, 670, 686, 735, 804, 840, 938, 980, 1005, 1029, 1176, 1340, 1372, 1407, 1470, 1608, 1715, 1876, 1960, 2010, 2058, 2345, 2680, 2744, 2814, 2940, 3283, 3430, 3752, 4020, 4116, 4690, 5145, 5628, 5880, 6566, 6860, 7035, 8040, 8232, 9380, 9849, 10290, 11256, 13132, 13720, 14070, 16415, 18760, 19698, 20580, 22981, 26264, 28140, 32830, 39396, 41160, 45962, 49245, 56280, 65660, 68943, 78792, 91924, 98490, 114905, 131320, 137886, 183848, 196980, 229810, 275772, 344715, 393960, 459620, 551544, 689430, 919240, 1378860, 2757720]

約数ペア:

[(1, 2757720), (2, 1378860), (3, 919240), (4, 689430), (5, 551544), (6, 459620), (7, 393960), (8, 344715), (10, 275772), (12, 229810), (14, 196980), (15, 183848), (20, 137886), (21, 131320), (24, 114905), (28, 98490), (30, 91924), (35, 78792), (40, 68943), (42, 65660), (49, 56280), (56, 49245), (60, 45962), (67, 41160), (70, 39396), (84, 32830), (98, 28140), (105, 26264), (120, 22981), (134, 20580), (140, 19698), (147, 18760), (168, 16415), (196, 14070), (201, 13720), (210, 13132), (245, 11256), (268, 10290), (280, 9849), (294, 9380), (335, 8232), (343, 8040), (392, 7035), (402, 6860), (420, 6566), (469, 5880), (490, 5628), (536, 5145), (588, 4690), (670, 4116), (686, 4020), (735, 3752), (804, 3430), (840, 3283), (938, 2940), (980, 2814), (1005, 2744), (1029, 2680), (1176, 2345), (1340, 2058), (1372, 2010), (1407, 1960), (1470, 1876), (1608, 1715)]