207801720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{27487}}^1$

素因数の和:27514

約数の個数: 128

約数和(自身を含む): 791654400

約数和(自身を除く): 583852680

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, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 27487, 54974, 82461, 109948, 137435, 164922, 192409, 219896, 247383, 274870, 329844, 384818, 412305, 494766, 549740, 577227, 659688, 742149, 769636, 824610, 962045, 989532, 1099480, 1154454, 1236915, 1484298, 1539272, 1649220, 1731681, 1924090, 1979064, 2308908, 2473830, 2886135, 2968596, 3298440, 3463362, 3710745, 3848180, 4617816, 4947660, 5195043, 5772270, 5937192, 6926724, 7421490, 7696360, 8658405, 9895320, 10390086, 11544540, 13853448, 14842980, 17316810, 20780172, 23089080, 25975215, 29685960, 34633620, 41560344, 51950430, 69267240, 103900860, 207801720]

約数ペア:

[(1, 207801720), (2, 103900860), (3, 69267240), (4, 51950430), (5, 41560344), (6, 34633620), (7, 29685960), (8, 25975215), (9, 23089080), (10, 20780172), (12, 17316810), (14, 14842980), (15, 13853448), (18, 11544540), (20, 10390086), (21, 9895320), (24, 8658405), (27, 7696360), (28, 7421490), (30, 6926724), (35, 5937192), (36, 5772270), (40, 5195043), (42, 4947660), (45, 4617816), (54, 3848180), (56, 3710745), (60, 3463362), (63, 3298440), (70, 2968596), (72, 2886135), (84, 2473830), (90, 2308908), (105, 1979064), (108, 1924090), (120, 1731681), (126, 1649220), (135, 1539272), (140, 1484298), (168, 1236915), (180, 1154454), (189, 1099480), (210, 989532), (216, 962045), (252, 824610), (270, 769636), (280, 742149), (315, 659688), (360, 577227), (378, 549740), (420, 494766), (504, 412305), (540, 384818), (630, 329844), (756, 274870), (840, 247383), (945, 219896), (1080, 192409), (1260, 164922), (1512, 137435), (1890, 109948), (2520, 82461), (3780, 54974), (7560, 27487)]