1339880320

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19207}}^1$

素因数の和:19335

約数の個数: 64

約数和(自身を含む): 3232706400

約数和(自身を除く): 1892826080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 19207, 34880, 38414, 69760, 76828, 96035, 153656, 192070, 307312, 384140, 614624, 768280, 1229248, 1536560, 2093563, 2458496, 3073120, 4187126, 6146240, 8374252, 10467815, 12292480, 16748504, 20935630, 33497008, 41871260, 66994016, 83742520, 133988032, 167485040, 267976064, 334970080, 669940160, 1339880320]

約数ペア:

[(1, 1339880320), (2, 669940160), (4, 334970080), (5, 267976064), (8, 167485040), (10, 133988032), (16, 83742520), (20, 66994016), (32, 41871260), (40, 33497008), (64, 20935630), (80, 16748504), (109, 12292480), (128, 10467815), (160, 8374252), (218, 6146240), (320, 4187126), (436, 3073120), (545, 2458496), (640, 2093563), (872, 1536560), (1090, 1229248), (1744, 768280), (2180, 614624), (3488, 384140), (4360, 307312), (6976, 192070), (8720, 153656), (13952, 96035), (17440, 76828), (19207, 69760), (34880, 38414)]