20354548320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25747}}^1$

素因数の和:25835

約数の個数: 240

約数和(自身を含む): 73015045488

約数和(自身を除く): 52660497168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 976, 1080, 1098, 1220, 1296, 1440, 1464, 1620, 1647, 1830, 1952, 2160, 2196, 2440, 2592, 2745, 2928, 3240, 3294, 3660, 4320, 4392, 4880, 4941, 5490, 5856, 6480, 6588, 7320, 8235, 8784, 9760, 9882, 10980, 12960, 13176, 14640, 16470, 17568, 19764, 21960, 24705, 25747, 26352, 29280, 32940, 39528, 43920, 49410, 51494, 52704, 65880, 77241, 79056, 87840, 98820, 102988, 128735, 131760, 154482, 158112, 197640, 205976, 231723, 257470, 263520, 308964, 386205, 395280, 411952, 463446, 514940, 617928, 695169, 772410, 790560, 823904, 926892, 1029880, 1158615, 1235856, 1390338, 1544820, 1570567, 1853784, 2059760, 2085507, 2317230, 2471712, 2780676, 3089640, 3141134, 3475845, 3707568, 4119520, 4171014, 4634460, 4711701, 5561352, 6179280, 6282268, 6951690, 7415136, 7852835, 8342028, 9268920, 9423402, 10427535, 11122704, 12358560, 12564536, 13903380, 14135103, 15705670, 16684056, 18537840, 18846804, 20855070, 22245408, 23558505, 25129072, 27806760, 28270206, 31411340, 33368112, 37075680, 37693608, 41710140, 42405309, 47117010, 50258144, 55613520, 56540412, 62822680, 66736224, 70675515, 75387216, 83420280, 84810618, 94234020, 111227040, 113080824, 125645360, 127215927, 141351030, 150774432, 166840560, 169621236, 188468040, 212026545, 226161648, 251290720, 254431854, 282702060, 333681120, 339242472, 376936080, 424053090, 452323296, 508863708, 565404120, 636079635, 678484944, 753872160, 848106180, 1017727416, 1130808240, 1272159270, 1356969888, 1696212360, 2035454832, 2261616480, 2544318540, 3392424720, 4070909664, 5088637080, 6784849440, 10177274160, 20354548320]

約数ペア:

[(1, 20354548320), (2, 10177274160), (3, 6784849440), (4, 5088637080), (5, 4070909664), (6, 3392424720), (8, 2544318540), (9, 2261616480), (10, 2035454832), (12, 1696212360), (15, 1356969888), (16, 1272159270), (18, 1130808240), (20, 1017727416), (24, 848106180), (27, 753872160), (30, 678484944), (32, 636079635), (36, 565404120), (40, 508863708), (45, 452323296), (48, 424053090), (54, 376936080), (60, 339242472), (61, 333681120), (72, 282702060), (80, 254431854), (81, 251290720), (90, 226161648), (96, 212026545), (108, 188468040), (120, 169621236), (122, 166840560), (135, 150774432), (144, 141351030), (160, 127215927), (162, 125645360), (180, 113080824), (183, 111227040), (216, 94234020), (240, 84810618), (244, 83420280), (270, 75387216), (288, 70675515), (305, 66736224), (324, 62822680), (360, 56540412), (366, 55613520), (405, 50258144), (432, 47117010), (480, 42405309), (488, 41710140), (540, 37693608), (549, 37075680), (610, 33368112), (648, 31411340), (720, 28270206), (732, 27806760), (810, 25129072), (864, 23558505), (915, 22245408), (976, 20855070), (1080, 18846804), (1098, 18537840), (1220, 16684056), (1296, 15705670), (1440, 14135103), (1464, 13903380), (1620, 12564536), (1647, 12358560), (1830, 11122704), (1952, 10427535), (2160, 9423402), (2196, 9268920), (2440, 8342028), (2592, 7852835), (2745, 7415136), (2928, 6951690), (3240, 6282268), (3294, 6179280), (3660, 5561352), (4320, 4711701), (4392, 4634460), (4880, 4171014), (4941, 4119520), (5490, 3707568), (5856, 3475845), (6480, 3141134), (6588, 3089640), (7320, 2780676), (8235, 2471712), (8784, 2317230), (9760, 2085507), (9882, 2059760), (10980, 1853784), (12960, 1570567), (13176, 1544820), (14640, 1390338), (16470, 1235856), (17568, 1158615), (19764, 1029880), (21960, 926892), (24705, 823904), (25747, 790560), (26352, 772410), (29280, 695169), (32940, 617928), (39528, 514940), (43920, 463446), (49410, 411952), (51494, 395280), (52704, 386205), (65880, 308964), (77241, 263520), (79056, 257470), (87840, 231723), (98820, 205976), (102988, 197640), (128735, 158112), (131760, 154482)]