81281241720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{3583829}}^1$

素因数の和:3583859

約数の個数: 160

約数和(自身を含む): 312223269600

約数和(自身を除く): 230942027880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 22680, 3583829, 7167658, 10751487, 14335316, 17919145, 21502974, 25086803, 28670632, 32254461, 35838290, 43005948, 50173606, 53757435, 64508922, 71676580, 75260409, 86011896, 96763383, 100347212, 107514870, 125434015, 129017844, 143353160, 150520818, 161272305, 193526766, 200694424, 215029740, 225781227, 250868030, 258035688, 290290149, 301041636, 322544610, 376302045, 387053532, 430059480, 451562454, 483816915, 501736060, 580580298, 602083272, 645089220, 677343681, 752604090, 774107064, 903124908, 967633830, 1003472120, 1128906135, 1161160596, 1290178440, 1354687362, 1451450745, 1505208180, 1806249816, 1935267660, 2032031043, 2257812270, 2322321192, 2709374724, 2902901490, 3010416360, 3386718405, 3870535320, 4064062086, 4515624540, 5418749448, 5805802980, 6773436810, 8128124172, 9031249080, 10160155215, 11611605960, 13546873620, 16256248344, 20320310430, 27093747240, 40640620860, 81281241720]

約数ペア:

[(1, 81281241720), (2, 40640620860), (3, 27093747240), (4, 20320310430), (5, 16256248344), (6, 13546873620), (7, 11611605960), (8, 10160155215), (9, 9031249080), (10, 8128124172), (12, 6773436810), (14, 5805802980), (15, 5418749448), (18, 4515624540), (20, 4064062086), (21, 3870535320), (24, 3386718405), (27, 3010416360), (28, 2902901490), (30, 2709374724), (35, 2322321192), (36, 2257812270), (40, 2032031043), (42, 1935267660), (45, 1806249816), (54, 1505208180), (56, 1451450745), (60, 1354687362), (63, 1290178440), (70, 1161160596), (72, 1128906135), (81, 1003472120), (84, 967633830), (90, 903124908), (105, 774107064), (108, 752604090), (120, 677343681), (126, 645089220), (135, 602083272), (140, 580580298), (162, 501736060), (168, 483816915), (180, 451562454), (189, 430059480), (210, 387053532), (216, 376302045), (252, 322544610), (270, 301041636), (280, 290290149), (315, 258035688), (324, 250868030), (360, 225781227), (378, 215029740), (405, 200694424), (420, 193526766), (504, 161272305), (540, 150520818), (567, 143353160), (630, 129017844), (648, 125434015), (756, 107514870), (810, 100347212), (840, 96763383), (945, 86011896), (1080, 75260409), (1134, 71676580), (1260, 64508922), (1512, 53757435), (1620, 50173606), (1890, 43005948), (2268, 35838290), (2520, 32254461), (2835, 28670632), (3240, 25086803), (3780, 21502974), (4536, 17919145), (5670, 14335316), (7560, 10751487), (11340, 7167658), (22680, 3583829)]