30986520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 98841600

約数和(自身を除く): 67855080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 103, 109, 115, 120, 138, 184, 206, 218, 230, 276, 309, 327, 345, 412, 436, 460, 515, 545, 552, 618, 654, 690, 824, 872, 920, 1030, 1090, 1236, 1308, 1380, 1545, 1635, 2060, 2180, 2369, 2472, 2507, 2616, 2760, 3090, 3270, 4120, 4360, 4738, 5014, 6180, 6540, 7107, 7521, 9476, 10028, 11227, 11845, 12360, 12535, 13080, 14214, 15042, 18952, 20056, 22454, 23690, 25070, 28428, 30084, 33681, 35535, 37605, 44908, 47380, 50140, 56135, 56856, 60168, 67362, 71070, 75210, 89816, 94760, 100280, 112270, 134724, 142140, 150420, 168405, 224540, 258221, 269448, 284280, 300840, 336810, 449080, 516442, 673620, 774663, 1032884, 1291105, 1347240, 1549326, 2065768, 2582210, 3098652, 3873315, 5164420, 6197304, 7746630, 10328840, 15493260, 30986520]

約数ペア:

[(1, 30986520), (2, 15493260), (3, 10328840), (4, 7746630), (5, 6197304), (6, 5164420), (8, 3873315), (10, 3098652), (12, 2582210), (15, 2065768), (20, 1549326), (23, 1347240), (24, 1291105), (30, 1032884), (40, 774663), (46, 673620), (60, 516442), (69, 449080), (92, 336810), (103, 300840), (109, 284280), (115, 269448), (120, 258221), (138, 224540), (184, 168405), (206, 150420), (218, 142140), (230, 134724), (276, 112270), (309, 100280), (327, 94760), (345, 89816), (412, 75210), (436, 71070), (460, 67362), (515, 60168), (545, 56856), (552, 56135), (618, 50140), (654, 47380), (690, 44908), (824, 37605), (872, 35535), (920, 33681), (1030, 30084), (1090, 28428), (1236, 25070), (1308, 23690), (1380, 22454), (1545, 20056), (1635, 18952), (2060, 15042), (2180, 14214), (2369, 13080), (2472, 12535), (2507, 12360), (2616, 11845), (2760, 11227), (3090, 10028), (3270, 9476), (4120, 7521), (4360, 7107), (4738, 6540), (5014, 6180)]