221447520

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2441}}^1$

素因数の和:2475

約数の個数: 240

約数和(自身を含む): 893537568

約数和(自身を除く): 672090048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2441, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4882, 5040, 5670, 6048, 6480, 7323, 7560, 9072, 9764, 10080, 11340, 12205, 12960, 14646, 15120, 17087, 18144, 19528, 21969, 22680, 24410, 29292, 30240, 34174, 36615, 39056, 43938, 45360, 48820, 51261, 58584, 65907, 68348, 73230, 78112, 85435, 87876, 90720, 97640, 102522, 109845, 117168, 131814, 136696, 146460, 153783, 170870, 175752, 195280, 197721, 205044, 219690, 234336, 256305, 263628, 273392, 292920, 307566, 329535, 341740, 351504, 390560, 395442, 410088, 439380, 461349, 512610, 527256, 546784, 585840, 615132, 659070, 683480, 703008, 768915, 790884, 820176, 878760, 922698, 988605, 1025220, 1054512, 1171680, 1230264, 1318140, 1366960, 1384047, 1537830, 1581768, 1640352, 1757520, 1845396, 1977210, 2050440, 2109024, 2306745, 2460528, 2636280, 2733920, 2768094, 3075660, 3163536, 3515040, 3690792, 3954420, 4100880, 4613490, 4921056, 5272560, 5536188, 6151320, 6327072, 6920235, 7381584, 7908840, 8201760, 9226980, 10545120, 11072376, 12302640, 13840470, 14763168, 15817680, 18453960, 22144752, 24605280, 27680940, 31635360, 36907920, 44289504, 55361880, 73815840, 110723760, 221447520]

約数ペア:

[(1, 221447520), (2, 110723760), (3, 73815840), (4, 55361880), (5, 44289504), (6, 36907920), (7, 31635360), (8, 27680940), (9, 24605280), (10, 22144752), (12, 18453960), (14, 15817680), (15, 14763168), (16, 13840470), (18, 12302640), (20, 11072376), (21, 10545120), (24, 9226980), (27, 8201760), (28, 7908840), (30, 7381584), (32, 6920235), (35, 6327072), (36, 6151320), (40, 5536188), (42, 5272560), (45, 4921056), (48, 4613490), (54, 4100880), (56, 3954420), (60, 3690792), (63, 3515040), (70, 3163536), (72, 3075660), (80, 2768094), (81, 2733920), (84, 2636280), (90, 2460528), (96, 2306745), (105, 2109024), (108, 2050440), (112, 1977210), (120, 1845396), (126, 1757520), (135, 1640352), (140, 1581768), (144, 1537830), (160, 1384047), (162, 1366960), (168, 1318140), (180, 1230264), (189, 1171680), (210, 1054512), (216, 1025220), (224, 988605), (240, 922698), (252, 878760), (270, 820176), (280, 790884), (288, 768915), (315, 703008), (324, 683480), (336, 659070), (360, 615132), (378, 585840), (405, 546784), (420, 527256), (432, 512610), (480, 461349), (504, 439380), (540, 410088), (560, 395442), (567, 390560), (630, 351504), (648, 341740), (672, 329535), (720, 307566), (756, 292920), (810, 273392), (840, 263628), (864, 256305), (945, 234336), (1008, 219690), (1080, 205044), (1120, 197721), (1134, 195280), (1260, 175752), (1296, 170870), (1440, 153783), (1512, 146460), (1620, 136696), (1680, 131814), (1890, 117168), (2016, 109845), (2160, 102522), (2268, 97640), (2441, 90720), (2520, 87876), (2592, 85435), (2835, 78112), (3024, 73230), (3240, 68348), (3360, 65907), (3780, 58584), (4320, 51261), (4536, 48820), (4882, 45360), (5040, 43938), (5670, 39056), (6048, 36615), (6480, 34174), (7323, 30240), (7560, 29292), (9072, 24410), (9764, 22680), (10080, 21969), (11340, 19528), (12205, 18144), (12960, 17087), (14646, 15120)]