4920757240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1949}}^1$

素因数の和:2165

約数の個数: 128

約数和(自身を含む): 12939264000

約数和(自身を除く): 8018506760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 127, 140, 142, 254, 280, 284, 355, 497, 508, 568, 635, 710, 889, 994, 1016, 1270, 1420, 1778, 1949, 1988, 2485, 2540, 2840, 3556, 3898, 3976, 4445, 4970, 5080, 7112, 7796, 8890, 9017, 9745, 9940, 13643, 15592, 17780, 18034, 19490, 19880, 27286, 35560, 36068, 38980, 45085, 54572, 63119, 68215, 72136, 77960, 90170, 109144, 126238, 136430, 138379, 180340, 247523, 252476, 272860, 276758, 315595, 360680, 495046, 504952, 545720, 553516, 631190, 691895, 968653, 990092, 1107032, 1237615, 1262380, 1383790, 1732661, 1937306, 1980184, 2475230, 2524760, 2767580, 3465322, 3874612, 4843265, 4950460, 5535160, 6930644, 7749224, 8663305, 9686530, 9900920, 13861288, 17326610, 17574133, 19373060, 34653220, 35148266, 38746120, 69306440, 70296532, 87870665, 123018931, 140593064, 175741330, 246037862, 351482660, 492075724, 615094655, 702965320, 984151448, 1230189310, 2460378620, 4920757240]

約数ペア:

[(1, 4920757240), (2, 2460378620), (4, 1230189310), (5, 984151448), (7, 702965320), (8, 615094655), (10, 492075724), (14, 351482660), (20, 246037862), (28, 175741330), (35, 140593064), (40, 123018931), (56, 87870665), (70, 70296532), (71, 69306440), (127, 38746120), (140, 35148266), (142, 34653220), (254, 19373060), (280, 17574133), (284, 17326610), (355, 13861288), (497, 9900920), (508, 9686530), (568, 8663305), (635, 7749224), (710, 6930644), (889, 5535160), (994, 4950460), (1016, 4843265), (1270, 3874612), (1420, 3465322), (1778, 2767580), (1949, 2524760), (1988, 2475230), (2485, 1980184), (2540, 1937306), (2840, 1732661), (3556, 1383790), (3898, 1262380), (3976, 1237615), (4445, 1107032), (4970, 990092), (5080, 968653), (7112, 691895), (7796, 631190), (8890, 553516), (9017, 545720), (9745, 504952), (9940, 495046), (13643, 360680), (15592, 315595), (17780, 276758), (18034, 272860), (19490, 252476), (19880, 247523), (27286, 180340), (35560, 138379), (36068, 136430), (38980, 126238), (45085, 109144), (54572, 90170), (63119, 77960), (68215, 72136)]