16640350020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^3\times {\mathrm{29947}}^1$

素因数の和:29989

約数の個数: 240

約数和(自身を含む): 60878294400

約数和(自身を除く): 44237944380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 343, 378, 405, 420, 441, 490, 540, 567, 588, 630, 686, 735, 756, 810, 882, 945, 980, 1029, 1134, 1260, 1323, 1372, 1470, 1620, 1715, 1764, 1890, 2058, 2205, 2268, 2646, 2835, 2940, 3087, 3430, 3780, 3969, 4116, 4410, 5145, 5292, 5670, 6174, 6615, 6860, 7938, 8820, 9261, 10290, 11340, 12348, 13230, 15435, 15876, 18522, 19845, 20580, 26460, 27783, 29947, 30870, 37044, 39690, 46305, 55566, 59894, 61740, 79380, 89841, 92610, 111132, 119788, 138915, 149735, 179682, 185220, 209629, 269523, 277830, 299470, 359364, 419258, 449205, 539046, 555660, 598940, 628887, 808569, 838516, 898410, 1048145, 1078092, 1257774, 1347615, 1467403, 1617138, 1796820, 1886661, 2096290, 2425707, 2515548, 2695230, 2934806, 3144435, 3234276, 3773322, 4042845, 4192580, 4402209, 4851414, 5390460, 5659983, 5869612, 6288870, 7337015, 7546644, 8085690, 8804418, 9433305, 9702828, 10271821, 11319966, 12128535, 12577740, 13206627, 14674030, 16171380, 16979949, 17608836, 18866610, 20543642, 22011045, 22639932, 24257070, 26413254, 28299915, 29348060, 30815463, 33959898, 37733220, 39619881, 41087284, 44022090, 48514140, 51359105, 52826508, 56599830, 61630926, 66033135, 67919796, 79239762, 84899745, 88044180, 92446389, 102718210, 113199660, 118859643, 123261852, 132066270, 154077315, 158479524, 169799490, 184892778, 198099405, 205436420, 237719286, 264132540, 277339167, 308154630, 339598980, 369785556, 396198810, 462231945, 475438572, 554678334, 594298215, 616309260, 792397620, 832017501, 924463890, 1109356668, 1188596430, 1386695835, 1664035002, 1848927780, 2377192860, 2773391670, 3328070004, 4160087505, 5546783340, 8320175010, 16640350020]

約数ペア:

[(1, 16640350020), (2, 8320175010), (3, 5546783340), (4, 4160087505), (5, 3328070004), (6, 2773391670), (7, 2377192860), (9, 1848927780), (10, 1664035002), (12, 1386695835), (14, 1188596430), (15, 1109356668), (18, 924463890), (20, 832017501), (21, 792397620), (27, 616309260), (28, 594298215), (30, 554678334), (35, 475438572), (36, 462231945), (42, 396198810), (45, 369785556), (49, 339598980), (54, 308154630), (60, 277339167), (63, 264132540), (70, 237719286), (81, 205436420), (84, 198099405), (90, 184892778), (98, 169799490), (105, 158479524), (108, 154077315), (126, 132066270), (135, 123261852), (140, 118859643), (147, 113199660), (162, 102718210), (180, 92446389), (189, 88044180), (196, 84899745), (210, 79239762), (245, 67919796), (252, 66033135), (270, 61630926), (294, 56599830), (315, 52826508), (324, 51359105), (343, 48514140), (378, 44022090), (405, 41087284), (420, 39619881), (441, 37733220), (490, 33959898), (540, 30815463), (567, 29348060), (588, 28299915), (630, 26413254), (686, 24257070), (735, 22639932), (756, 22011045), (810, 20543642), (882, 18866610), (945, 17608836), (980, 16979949), (1029, 16171380), (1134, 14674030), (1260, 13206627), (1323, 12577740), (1372, 12128535), (1470, 11319966), (1620, 10271821), (1715, 9702828), (1764, 9433305), (1890, 8804418), (2058, 8085690), (2205, 7546644), (2268, 7337015), (2646, 6288870), (2835, 5869612), (2940, 5659983), (3087, 5390460), (3430, 4851414), (3780, 4402209), (3969, 4192580), (4116, 4042845), (4410, 3773322), (5145, 3234276), (5292, 3144435), (5670, 2934806), (6174, 2695230), (6615, 2515548), (6860, 2425707), (7938, 2096290), (8820, 1886661), (9261, 1796820), (10290, 1617138), (11340, 1467403), (12348, 1347615), (13230, 1257774), (15435, 1078092), (15876, 1048145), (18522, 898410), (19845, 838516), (20580, 808569), (26460, 628887), (27783, 598940), (29947, 555660), (30870, 539046), (37044, 449205), (39690, 419258), (46305, 359364), (55566, 299470), (59894, 277830), (61740, 269523), (79380, 209629), (89841, 185220), (92610, 179682), (111132, 149735), (119788, 138915)]