78876160

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2801}}^1$

素因数の和:2835

約数の個数: 80

約数和(自身を含む): 206384112

約数和(自身を除く): 127507952

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2801, 2816, 3520, 5602, 5632, 7040, 11204, 14005, 14080, 22408, 28010, 28160, 30811, 44816, 56020, 61622, 89632, 112040, 123244, 154055, 179264, 224080, 246488, 308110, 358528, 448160, 492976, 616220, 717056, 896320, 985952, 1232440, 1434112, 1792640, 1971904, 2464880, 3585280, 3943808, 4929760, 7170560, 7887616, 9859520, 15775232, 19719040, 39438080, 78876160]

約数ペア:

[(1, 78876160), (2, 39438080), (4, 19719040), (5, 15775232), (8, 9859520), (10, 7887616), (11, 7170560), (16, 4929760), (20, 3943808), (22, 3585280), (32, 2464880), (40, 1971904), (44, 1792640), (55, 1434112), (64, 1232440), (80, 985952), (88, 896320), (110, 717056), (128, 616220), (160, 492976), (176, 448160), (220, 358528), (256, 308110), (320, 246488), (352, 224080), (440, 179264), (512, 154055), (640, 123244), (704, 112040), (880, 89632), (1280, 61622), (1408, 56020), (1760, 44816), (2560, 30811), (2801, 28160), (2816, 28010), (3520, 22408), (5602, 14080), (5632, 14005), (7040, 11204)]