262645020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 216

約数和(自身を含む): 906272640

約数和(自身を除く): 643627620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 389, 396, 465, 484, 495, 558, 605, 620, 660, 682, 726, 778, 930, 990, 1023, 1089, 1116, 1167, 1210, 1364, 1395, 1452, 1556, 1705, 1815, 1860, 1945, 1980, 2046, 2178, 2334, 2420, 2790, 3069, 3410, 3501, 3630, 3751, 3890, 4092, 4279, 4356, 4668, 5115, 5445, 5580, 5835, 6138, 6820, 7002, 7260, 7502, 7780, 8558, 10230, 10890, 11253, 11670, 12059, 12276, 12837, 14004, 15004, 15345, 17116, 17505, 18755, 20460, 21395, 21780, 22506, 23340, 24118, 25674, 30690, 33759, 35010, 36177, 37510, 38511, 42790, 45012, 47069, 48236, 51348, 56265, 60295, 61380, 64185, 67518, 70020, 72354, 75020, 77022, 85580, 94138, 108531, 112530, 120590, 128370, 132649, 135036, 141207, 144708, 154044, 168795, 180885, 188276, 192555, 217062, 225060, 235345, 241180, 256740, 265298, 282414, 337590, 361770, 385110, 397947, 423621, 434124, 470690, 530596, 542655, 564828, 663245, 675180, 706035, 723540, 770220, 795894, 847242, 941380, 1085310, 1193841, 1326490, 1412070, 1459139, 1591788, 1694484, 1989735, 2118105, 2170620, 2387682, 2652980, 2824140, 2918278, 3979470, 4236210, 4377417, 4775364, 5836556, 5969205, 7295695, 7958940, 8472420, 8754834, 11938410, 13132251, 14591390, 17509668, 21887085, 23876820, 26264502, 29182780, 43774170, 52529004, 65661255, 87548340, 131322510, 262645020]

約数ペア:

[(1, 262645020), (2, 131322510), (3, 87548340), (4, 65661255), (5, 52529004), (6, 43774170), (9, 29182780), (10, 26264502), (11, 23876820), (12, 21887085), (15, 17509668), (18, 14591390), (20, 13132251), (22, 11938410), (30, 8754834), (31, 8472420), (33, 7958940), (36, 7295695), (44, 5969205), (45, 5836556), (55, 4775364), (60, 4377417), (62, 4236210), (66, 3979470), (90, 2918278), (93, 2824140), (99, 2652980), (110, 2387682), (121, 2170620), (124, 2118105), (132, 1989735), (155, 1694484), (165, 1591788), (180, 1459139), (186, 1412070), (198, 1326490), (220, 1193841), (242, 1085310), (279, 941380), (310, 847242), (330, 795894), (341, 770220), (363, 723540), (372, 706035), (389, 675180), (396, 663245), (465, 564828), (484, 542655), (495, 530596), (558, 470690), (605, 434124), (620, 423621), (660, 397947), (682, 385110), (726, 361770), (778, 337590), (930, 282414), (990, 265298), (1023, 256740), (1089, 241180), (1116, 235345), (1167, 225060), (1210, 217062), (1364, 192555), (1395, 188276), (1452, 180885), (1556, 168795), (1705, 154044), (1815, 144708), (1860, 141207), (1945, 135036), (1980, 132649), (2046, 128370), (2178, 120590), (2334, 112530), (2420, 108531), (2790, 94138), (3069, 85580), (3410, 77022), (3501, 75020), (3630, 72354), (3751, 70020), (3890, 67518), (4092, 64185), (4279, 61380), (4356, 60295), (4668, 56265), (5115, 51348), (5445, 48236), (5580, 47069), (5835, 45012), (6138, 42790), (6820, 38511), (7002, 37510), (7260, 36177), (7502, 35010), (7780, 33759), (8558, 30690), (10230, 25674), (10890, 24118), (11253, 23340), (11670, 22506), (12059, 21780), (12276, 21395), (12837, 20460), (14004, 18755), (15004, 17505), (15345, 17116)]