80798080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 128

約数和(自身を含む): 220320000

約数和(自身を除く): 139521920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 499, 506, 640, 704, 736, 880, 920, 998, 1012, 1265, 1408, 1472, 1760, 1840, 1996, 2024, 2495, 2530, 2944, 3520, 3680, 3992, 4048, 4990, 5060, 5489, 7040, 7360, 7984, 8096, 9980, 10120, 10978, 11477, 14720, 15968, 16192, 19960, 20240, 21956, 22954, 27445, 31936, 32384, 39920, 40480, 43912, 45908, 54890, 57385, 63872, 79840, 80960, 87824, 91816, 109780, 114770, 126247, 159680, 161920, 175648, 183632, 219560, 229540, 252494, 319360, 351296, 367264, 439120, 459080, 504988, 631235, 702592, 734528, 878240, 918160, 1009976, 1262470, 1469056, 1756480, 1836320, 2019952, 2524940, 3512960, 3672640, 4039904, 5049880, 7345280, 8079808, 10099760, 16159616, 20199520, 40399040, 80798080]

約数ペア:

[(1, 80798080), (2, 40399040), (4, 20199520), (5, 16159616), (8, 10099760), (10, 8079808), (11, 7345280), (16, 5049880), (20, 4039904), (22, 3672640), (23, 3512960), (32, 2524940), (40, 2019952), (44, 1836320), (46, 1756480), (55, 1469056), (64, 1262470), (80, 1009976), (88, 918160), (92, 878240), (110, 734528), (115, 702592), (128, 631235), (160, 504988), (176, 459080), (184, 439120), (220, 367264), (230, 351296), (253, 319360), (320, 252494), (352, 229540), (368, 219560), (440, 183632), (460, 175648), (499, 161920), (506, 159680), (640, 126247), (704, 114770), (736, 109780), (880, 91816), (920, 87824), (998, 80960), (1012, 79840), (1265, 63872), (1408, 57385), (1472, 54890), (1760, 45908), (1840, 43912), (1996, 40480), (2024, 39920), (2495, 32384), (2530, 31936), (2944, 27445), (3520, 22954), (3680, 21956), (3992, 20240), (4048, 19960), (4990, 16192), (5060, 15968), (5489, 14720), (7040, 11477), (7360, 10978), (7984, 10120), (8096, 9980)]