64704640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 256

約数和(自身を含む): 209744640

約数和(自身を除く): 145040000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 64, 65, 70, 77, 80, 88, 91, 101, 104, 110, 112, 128, 130, 140, 143, 154, 160, 176, 182, 202, 208, 220, 224, 260, 280, 286, 308, 320, 352, 364, 385, 404, 416, 440, 448, 455, 505, 520, 560, 572, 616, 640, 704, 707, 715, 728, 770, 808, 832, 880, 896, 910, 1001, 1010, 1040, 1111, 1120, 1144, 1232, 1313, 1408, 1414, 1430, 1456, 1540, 1616, 1664, 1760, 1820, 2002, 2020, 2080, 2222, 2240, 2288, 2464, 2626, 2828, 2860, 2912, 3080, 3232, 3520, 3535, 3640, 4004, 4040, 4160, 4444, 4480, 4576, 4928, 5005, 5252, 5555, 5656, 5720, 5824, 6160, 6464, 6565, 7040, 7070, 7280, 7777, 8008, 8080, 8320, 8888, 9152, 9191, 9856, 10010, 10504, 11110, 11312, 11440, 11648, 12320, 12928, 13130, 14140, 14443, 14560, 15554, 16016, 16160, 17776, 18304, 18382, 20020, 21008, 22220, 22624, 22880, 24640, 26260, 28280, 28886, 29120, 31108, 32032, 32320, 35552, 36764, 38885, 40040, 42016, 44440, 45248, 45760, 45955, 49280, 52520, 56560, 57772, 58240, 62216, 64064, 64640, 71104, 72215, 73528, 77770, 80080, 84032, 88880, 90496, 91520, 91910, 101101, 105040, 113120, 115544, 124432, 128128, 142208, 144430, 147056, 155540, 160160, 168064, 177760, 183820, 202202, 210080, 226240, 231088, 248864, 288860, 294112, 311080, 320320, 355520, 367640, 404404, 420160, 452480, 462176, 497728, 505505, 577720, 588224, 622160, 640640, 711040, 735280, 808808, 840320, 924352, 995456, 1011010, 1155440, 1176448, 1244320, 1470560, 1617616, 1848704, 2022020, 2310880, 2488640, 2941120, 3235232, 4044040, 4621760, 4977280, 5882240, 6470464, 8088080, 9243520, 12940928, 16176160, 32352320, 64704640]

約数ペア:

[(1, 64704640), (2, 32352320), (4, 16176160), (5, 12940928), (7, 9243520), (8, 8088080), (10, 6470464), (11, 5882240), (13, 4977280), (14, 4621760), (16, 4044040), (20, 3235232), (22, 2941120), (26, 2488640), (28, 2310880), (32, 2022020), (35, 1848704), (40, 1617616), (44, 1470560), (52, 1244320), (55, 1176448), (56, 1155440), (64, 1011010), (65, 995456), (70, 924352), (77, 840320), (80, 808808), (88, 735280), (91, 711040), (101, 640640), (104, 622160), (110, 588224), (112, 577720), (128, 505505), (130, 497728), (140, 462176), (143, 452480), (154, 420160), (160, 404404), (176, 367640), (182, 355520), (202, 320320), (208, 311080), (220, 294112), (224, 288860), (260, 248864), (280, 231088), (286, 226240), (308, 210080), (320, 202202), (352, 183820), (364, 177760), (385, 168064), (404, 160160), (416, 155540), (440, 147056), (448, 144430), (455, 142208), (505, 128128), (520, 124432), (560, 115544), (572, 113120), (616, 105040), (640, 101101), (704, 91910), (707, 91520), (715, 90496), (728, 88880), (770, 84032), (808, 80080), (832, 77770), (880, 73528), (896, 72215), (910, 71104), (1001, 64640), (1010, 64064), (1040, 62216), (1111, 58240), (1120, 57772), (1144, 56560), (1232, 52520), (1313, 49280), (1408, 45955), (1414, 45760), (1430, 45248), (1456, 44440), (1540, 42016), (1616, 40040), (1664, 38885), (1760, 36764), (1820, 35552), (2002, 32320), (2020, 32032), (2080, 31108), (2222, 29120), (2240, 28886), (2288, 28280), (2464, 26260), (2626, 24640), (2828, 22880), (2860, 22624), (2912, 22220), (3080, 21008), (3232, 20020), (3520, 18382), (3535, 18304), (3640, 17776), (4004, 16160), (4040, 16016), (4160, 15554), (4444, 14560), (4480, 14443), (4576, 14140), (4928, 13130), (5005, 12928), (5252, 12320), (5555, 11648), (5656, 11440), (5720, 11312), (5824, 11110), (6160, 10504), (6464, 10010), (6565, 9856), (7040, 9191), (7070, 9152), (7280, 8888), (7777, 8320), (8008, 8080)]