645688464960

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12251}}^1$

素因数の和:12343

約数の個数: 896

約数和(自身を含む): 2753305509888

約数和(自身を除く): 2107617044928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 23, 24, 28, 30, 31, 32, 33, 35, 40, 42, 44, 46, 48, 55, 56, 60, 62, 64, 66, 69, 70, 77, 80, 84, 88, 92, 93, 96, 105, 110, 112, 115, 120, 124, 132, 138, 140, 154, 155, 160, 161, 165, 168, 176, 184, 186, 192, 210, 217, 220, 224, 230, 231, 240, 248, 253, 264, 276, 280, 308, 310, 320, 322, 330, 336, 341, 345, 352, 368, 372, 385, 420, 434, 440, 448, 460, 462, 465, 480, 483, 496, 506, 528, 552, 560, 616, 620, 644, 651, 660, 672, 682, 690, 704, 713, 736, 744, 759, 770, 805, 840, 868, 880, 920, 924, 930, 960, 966, 992, 1012, 1023, 1056, 1085, 1104, 1120, 1155, 1232, 1240, 1265, 1288, 1302, 1320, 1344, 1364, 1380, 1426, 1472, 1488, 1518, 1540, 1610, 1680, 1705, 1736, 1760, 1771, 1840, 1848, 1860, 1932, 1984, 2024, 2046, 2112, 2139, 2170, 2208, 2240, 2310, 2387, 2415, 2464, 2480, 2530, 2576, 2604, 2640, 2728, 2760, 2852, 2976, 3036, 3080, 3220, 3255, 3360, 3410, 3472, 3520, 3542, 3565, 3680, 3696, 3720, 3795, 3864, 4048, 4092, 4278, 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約数ペア:

[(1, 645688464960), (2, 322844232480), (3, 215229488320), (4, 161422116240), (5, 129137692992), (6, 107614744160), (7, 92241209280), (8, 80711058120), (10, 64568846496), (11, 58698951360), (12, 53807372080), (14, 46120604640), (15, 43045897664), (16, 40355529060), (20, 32284423248), (21, 30747069760), (22, 29349475680), (23, 28073411520), (24, 26903686040), (28, 23060302320), (30, 21522948832), (31, 20828660160), (32, 20177764530), (33, 19566317120), (35, 18448241856), (40, 16142211624), (42, 15373534880), (44, 14674737840), (46, 14036705760), (48, 13451843020), (55, 11739790272), (56, 11530151160), (60, 10761474416), (62, 10414330080), (64, 10088882265), (66, 9783158560), (69, 9357803840), (70, 9224120928), (77, 8385564480), (80, 8071105812), (84, 7686767440), (88, 7337368920), (92, 7018352880), (93, 6942886720), (96, 6725921510), (105, 6149413952), (110, 5869895136), (112, 5765075580), (115, 5614682304), (120, 5380737208), (124, 5207165040), (132, 4891579280), (138, 4678901920), 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