28292040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 107078400

約数和(自身を除く): 78786360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 103, 105, 109, 120, 126, 140, 168, 180, 206, 210, 218, 252, 280, 309, 315, 327, 360, 412, 420, 436, 504, 515, 545, 618, 630, 654, 721, 763, 824, 840, 872, 927, 981, 1030, 1090, 1236, 1260, 1308, 1442, 1526, 1545, 1635, 1854, 1962, 2060, 2163, 2180, 2289, 2472, 2520, 2616, 2884, 3052, 3090, 3270, 3605, 3708, 3815, 3924, 4120, 4326, 4360, 4578, 4635, 4905, 5768, 6104, 6180, 6489, 6540, 6867, 7210, 7416, 7630, 7848, 8652, 9156, 9270, 9810, 10815, 11227, 11445, 12360, 12978, 13080, 13734, 14420, 15260, 17304, 18312, 18540, 19620, 21630, 22454, 22890, 25956, 27468, 28840, 30520, 32445, 33681, 34335, 37080, 39240, 43260, 44908, 45780, 51912, 54936, 56135, 64890, 67362, 68670, 78589, 86520, 89816, 91560, 101043, 112270, 129780, 134724, 137340, 157178, 168405, 202086, 224540, 235767, 259560, 269448, 274680, 314356, 336810, 392945, 404172, 449080, 471534, 505215, 628712, 673620, 707301, 785890, 808344, 943068, 1010430, 1178835, 1347240, 1414602, 1571780, 1886136, 2020860, 2357670, 2829204, 3143560, 3536505, 4041720, 4715340, 5658408, 7073010, 9430680, 14146020, 28292040]

約数ペア:

[(1, 28292040), (2, 14146020), (3, 9430680), (4, 7073010), (5, 5658408), (6, 4715340), (7, 4041720), (8, 3536505), (9, 3143560), (10, 2829204), (12, 2357670), (14, 2020860), (15, 1886136), (18, 1571780), (20, 1414602), (21, 1347240), (24, 1178835), (28, 1010430), (30, 943068), (35, 808344), (36, 785890), (40, 707301), (42, 673620), (45, 628712), (56, 505215), (60, 471534), (63, 449080), (70, 404172), (72, 392945), (84, 336810), (90, 314356), (103, 274680), (105, 269448), (109, 259560), (120, 235767), (126, 224540), (140, 202086), (168, 168405), (180, 157178), (206, 137340), (210, 134724), (218, 129780), (252, 112270), (280, 101043), (309, 91560), (315, 89816), (327, 86520), (360, 78589), (412, 68670), (420, 67362), (436, 64890), (504, 56135), (515, 54936), (545, 51912), (618, 45780), (630, 44908), (654, 43260), (721, 39240), (763, 37080), (824, 34335), (840, 33681), (872, 32445), (927, 30520), (981, 28840), (1030, 27468), (1090, 25956), (1236, 22890), (1260, 22454), (1308, 21630), (1442, 19620), (1526, 18540), (1545, 18312), (1635, 17304), (1854, 15260), (1962, 14420), (2060, 13734), (2163, 13080), (2180, 12978), (2289, 12360), (2472, 11445), (2520, 11227), (2616, 10815), (2884, 9810), (3052, 9270), (3090, 9156), (3270, 8652), (3605, 7848), (3708, 7630), (3815, 7416), (3924, 7210), (4120, 6867), (4326, 6540), (4360, 6489), (4578, 6180), (4635, 6104), (4905, 5768)]