65441280

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8521}}^1$

素因数の和:8547

約数の個数: 80

約数和(自身を含む): 209232144

約数和(自身を除く): 143790864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 8521, 17042, 25563, 34084, 42605, 51126, 68168, 85210, 102252, 127815, 136336, 170420, 204504, 255630, 272672, 340840, 409008, 511260, 545344, 681680, 818016, 1022520, 1090688, 1363360, 1636032, 2045040, 2181376, 2726720, 3272064, 4090080, 4362752, 5453440, 6544128, 8180160, 10906880, 13088256, 16360320, 21813760, 32720640, 65441280]

約数ペア:

[(1, 65441280), (2, 32720640), (3, 21813760), (4, 16360320), (5, 13088256), (6, 10906880), (8, 8180160), (10, 6544128), (12, 5453440), (15, 4362752), (16, 4090080), (20, 3272064), (24, 2726720), (30, 2181376), (32, 2045040), (40, 1636032), (48, 1363360), (60, 1090688), (64, 1022520), (80, 818016), (96, 681680), (120, 545344), (128, 511260), (160, 409008), (192, 340840), (240, 272672), (256, 255630), (320, 204504), (384, 170420), (480, 136336), (512, 127815), (640, 102252), (768, 85210), (960, 68168), (1280, 51126), (1536, 42605), (1920, 34084), (2560, 25563), (3840, 17042), (7680, 8521)]