80338720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6521}}^1$

素因数の和:6554

約数の個数: 96

約数和(自身を含む): 236670336

約数和(自身を除く): 156331616

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2464, 3080, 6160, 6521, 12320, 13042, 26084, 32605, 45647, 52168, 65210, 71731, 91294, 104336, 130420, 143462, 182588, 208672, 228235, 260840, 286924, 358655, 365176, 456470, 502117, 521680, 573848, 717310, 730352, 912940, 1004234, 1043360, 1147696, 1434620, 1460704, 1825880, 2008468, 2295392, 2510585, 2869240, 3651760, 4016936, 5021170, 5738480, 7303520, 8033872, 10042340, 11476960, 16067744, 20084680, 40169360, 80338720]

約数ペア:

[(1, 80338720), (2, 40169360), (4, 20084680), (5, 16067744), (7, 11476960), (8, 10042340), (10, 8033872), (11, 7303520), (14, 5738480), (16, 5021170), (20, 4016936), (22, 3651760), (28, 2869240), (32, 2510585), (35, 2295392), (40, 2008468), (44, 1825880), (55, 1460704), (56, 1434620), (70, 1147696), (77, 1043360), (80, 1004234), (88, 912940), (110, 730352), (112, 717310), (140, 573848), (154, 521680), (160, 502117), (176, 456470), (220, 365176), (224, 358655), (280, 286924), (308, 260840), (352, 228235), (385, 208672), (440, 182588), (560, 143462), (616, 130420), (770, 104336), (880, 91294), (1120, 71731), (1232, 65210), (1540, 52168), (1760, 45647), (2464, 32605), (3080, 26084), (6160, 13042), (6521, 12320)]