81295680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4496

約数の個数: 112

約数和(自身を含む): 271759680

約数和(自身を除く): 190464000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4457, 4560, 6080, 8914, 9120, 13371, 17828, 18240, 22285, 26742, 35656, 44570, 53484, 66855, 71312, 84683, 89140, 106968, 133710, 142624, 169366, 178280, 213936, 254049, 267420, 285248, 338732, 356560, 423415, 427872, 508098, 534840, 677464, 713120, 846830, 855744, 1016196, 1069680, 1270245, 1354928, 1426240, 1693660, 2032392, 2139360, 2540490, 2709856, 3387320, 4064784, 4278720, 5080980, 5419712, 6774640, 8129568, 10161960, 13549280, 16259136, 20323920, 27098560, 40647840, 81295680]

約数ペア:

[(1, 81295680), (2, 40647840), (3, 27098560), (4, 20323920), (5, 16259136), (6, 13549280), (8, 10161960), (10, 8129568), (12, 6774640), (15, 5419712), (16, 5080980), (19, 4278720), (20, 4064784), (24, 3387320), (30, 2709856), (32, 2540490), (38, 2139360), (40, 2032392), (48, 1693660), (57, 1426240), (60, 1354928), (64, 1270245), (76, 1069680), (80, 1016196), (95, 855744), (96, 846830), (114, 713120), (120, 677464), (152, 534840), (160, 508098), (190, 427872), (192, 423415), (228, 356560), (240, 338732), (285, 285248), (304, 267420), (320, 254049), (380, 213936), (456, 178280), (480, 169366), (570, 142624), (608, 133710), (760, 106968), (912, 89140), (960, 84683), (1140, 71312), (1216, 66855), (1520, 53484), (1824, 44570), (2280, 35656), (3040, 26742), (3648, 22285), (4457, 18240), (4560, 17828), (6080, 13371), (8914, 9120)]