1549202960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{877}}^1$

素因数の和:1272

約数の個数: 80

約数和(自身を含む): 3668550912

約数和(自身を除く): 2119347952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 311, 355, 568, 622, 710, 877, 1136, 1244, 1420, 1555, 1754, 2488, 2840, 3110, 3508, 4385, 4976, 5680, 6220, 7016, 8770, 12440, 14032, 17540, 22081, 24880, 35080, 44162, 62267, 70160, 88324, 110405, 124534, 176648, 220810, 249068, 272747, 311335, 353296, 441620, 498136, 545494, 622670, 883240, 996272, 1090988, 1245340, 1363735, 1766480, 2181976, 2490680, 2727470, 4363952, 4981360, 5454940, 10909880, 19365037, 21819760, 38730074, 77460148, 96825185, 154920296, 193650370, 309840592, 387300740, 774601480, 1549202960]

約数ペア:

[(1, 1549202960), (2, 774601480), (4, 387300740), (5, 309840592), (8, 193650370), (10, 154920296), (16, 96825185), (20, 77460148), (40, 38730074), (71, 21819760), (80, 19365037), (142, 10909880), (284, 5454940), (311, 4981360), (355, 4363952), (568, 2727470), (622, 2490680), (710, 2181976), (877, 1766480), (1136, 1363735), (1244, 1245340), (1420, 1090988), (1555, 996272), (1754, 883240), (2488, 622670), (2840, 545494), (3110, 498136), (3508, 441620), (4385, 353296), (4976, 311335), (5680, 272747), (6220, 249068), (7016, 220810), (8770, 176648), (12440, 124534), (14032, 110405), (17540, 88324), (22081, 70160), (24880, 62267), (35080, 44162)]