131330560

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 331464276

約数和(自身を除く): 200133716

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 61, 64, 80, 116, 122, 128, 145, 160, 232, 244, 256, 290, 305, 320, 464, 488, 512, 580, 610, 640, 841, 928, 976, 1160, 1220, 1280, 1682, 1769, 1856, 1952, 2320, 2440, 2560, 3364, 3538, 3712, 3904, 4205, 4640, 4880, 6728, 7076, 7424, 7808, 8410, 8845, 9280, 9760, 13456, 14152, 14848, 15616, 16820, 17690, 18560, 19520, 26912, 28304, 31232, 33640, 35380, 37120, 39040, 51301, 53824, 56608, 67280, 70760, 74240, 78080, 102602, 107648, 113216, 134560, 141520, 156160, 205204, 215296, 226432, 256505, 269120, 283040, 410408, 430592, 452864, 513010, 538240, 566080, 820816, 905728, 1026020, 1076480, 1132160, 1641632, 2052040, 2152960, 2264320, 3283264, 4104080, 4528640, 6566528, 8208160, 13133056, 16416320, 26266112, 32832640, 65665280, 131330560]

約数ペア:

[(1, 131330560), (2, 65665280), (4, 32832640), (5, 26266112), (8, 16416320), (10, 13133056), (16, 8208160), (20, 6566528), (29, 4528640), (32, 4104080), (40, 3283264), (58, 2264320), (61, 2152960), (64, 2052040), (80, 1641632), (116, 1132160), (122, 1076480), (128, 1026020), (145, 905728), (160, 820816), (232, 566080), (244, 538240), (256, 513010), (290, 452864), (305, 430592), (320, 410408), (464, 283040), (488, 269120), (512, 256505), (580, 226432), (610, 215296), (640, 205204), (841, 156160), (928, 141520), (976, 134560), (1160, 113216), (1220, 107648), (1280, 102602), (1682, 78080), (1769, 74240), (1856, 70760), (1952, 67280), (2320, 56608), (2440, 53824), (2560, 51301), (3364, 39040), (3538, 37120), (3712, 35380), (3904, 33640), (4205, 31232), (4640, 28304), (4880, 26912), (6728, 19520), (7076, 18560), (7424, 17690), (7808, 16820), (8410, 15616), (8845, 14848), (9280, 14152), (9760, 13456)]