168220920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 256

約数和(自身を含む): 607104000

約数和(自身を除く): 438883080

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, 61, 67, 70, 84, 98, 105, 120, 122, 134, 140, 147, 168, 183, 196, 201, 210, 244, 245, 268, 280, 294, 305, 335, 343, 366, 392, 402, 420, 427, 469, 488, 490, 536, 588, 610, 670, 686, 732, 735, 804, 840, 854, 915, 938, 980, 1005, 1029, 1176, 1220, 1281, 1340, 1372, 1407, 1464, 1470, 1608, 1708, 1715, 1830, 1876, 1960, 2010, 2058, 2135, 2345, 2440, 2562, 2680, 2744, 2814, 2940, 2989, 3283, 3416, 3430, 3660, 3752, 4020, 4087, 4116, 4270, 4690, 5124, 5145, 5628, 5880, 5978, 6405, 6566, 6860, 7035, 7320, 8040, 8174, 8232, 8540, 8967, 9380, 9849, 10248, 10290, 11256, 11956, 12261, 12810, 13132, 13720, 14070, 14945, 16348, 16415, 17080, 17934, 18760, 19698, 20435, 20580, 20923, 22981, 23912, 24522, 25620, 26264, 28140, 28609, 29890, 32696, 32830, 35868, 39396, 40870, 41160, 41846, 44835, 45962, 49044, 49245, 51240, 56280, 57218, 59780, 61305, 62769, 65660, 68943, 71736, 78792, 81740, 83692, 85827, 89670, 91924, 98088, 98490, 104615, 114436, 114905, 119560, 122610, 125538, 131320, 137886, 143045, 163480, 167384, 171654, 179340, 183848, 196980, 200263, 209230, 228872, 229810, 245220, 251076, 275772, 286090, 313845, 343308, 344715, 358680, 393960, 400526, 418460, 429135, 459620, 490440, 502152, 551544, 572180, 600789, 627690, 686616, 689430, 801052, 836920, 858270, 919240, 1001315, 1144360, 1201578, 1255380, 1378860, 1401841, 1602104, 1716540, 2002630, 2403156, 2510760, 2757720, 2803682, 3003945, 3433080, 4005260, 4205523, 4806312, 5607364, 6007890, 7009205, 8010520, 8411046, 11214728, 12015780, 14018410, 16822092, 21027615, 24031560, 28036820, 33644184, 42055230, 56073640, 84110460, 168220920]

約数ペア:

[(1, 168220920), (2, 84110460), (3, 56073640), (4, 42055230), (5, 33644184), (6, 28036820), (7, 24031560), (8, 21027615), (10, 16822092), (12, 14018410), (14, 12015780), (15, 11214728), (20, 8411046), (21, 8010520), (24, 7009205), (28, 6007890), (30, 5607364), (35, 4806312), (40, 4205523), (42, 4005260), (49, 3433080), (56, 3003945), (60, 2803682), (61, 2757720), (67, 2510760), (70, 2403156), (84, 2002630), (98, 1716540), (105, 1602104), (120, 1401841), (122, 1378860), (134, 1255380), (140, 1201578), (147, 1144360), (168, 1001315), (183, 919240), (196, 858270), (201, 836920), (210, 801052), (244, 689430), (245, 686616), (268, 627690), (280, 600789), (294, 572180), (305, 551544), (335, 502152), (343, 490440), (366, 459620), (392, 429135), (402, 418460), (420, 400526), (427, 393960), (469, 358680), (488, 344715), (490, 343308), (536, 313845), (588, 286090), (610, 275772), (670, 251076), (686, 245220), (732, 229810), (735, 228872), (804, 209230), (840, 200263), (854, 196980), (915, 183848), (938, 179340), (980, 171654), (1005, 167384), (1029, 163480), (1176, 143045), (1220, 137886), (1281, 131320), (1340, 125538), (1372, 122610), (1407, 119560), (1464, 114905), (1470, 114436), (1608, 104615), (1708, 98490), (1715, 98088), (1830, 91924), (1876, 89670), (1960, 85827), (2010, 83692), (2058, 81740), (2135, 78792), (2345, 71736), (2440, 68943), (2562, 65660), (2680, 62769), (2744, 61305), (2814, 59780), (2940, 57218), (2989, 56280), (3283, 51240), (3416, 49245), (3430, 49044), (3660, 45962), (3752, 44835), (4020, 41846), (4087, 41160), (4116, 40870), (4270, 39396), (4690, 35868), (5124, 32830), (5145, 32696), (5628, 29890), (5880, 28609), (5978, 28140), (6405, 26264), (6566, 25620), (6860, 24522), (7035, 23912), (7320, 22981), (8040, 20923), (8174, 20580), (8232, 20435), (8540, 19698), (8967, 18760), (9380, 17934), (9849, 17080), (10248, 16415), (10290, 16348), (11256, 14945), (11956, 14070), (12261, 13720), (12810, 13132)]