279063520

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 688564800

約数和(自身を除く): 409501280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 137, 145, 160, 232, 274, 290, 439, 464, 548, 580, 685, 878, 928, 1096, 1160, 1370, 1756, 2192, 2195, 2320, 2740, 3512, 3973, 4384, 4390, 4640, 5480, 7024, 7946, 8780, 10960, 12731, 14048, 15892, 17560, 19865, 21920, 25462, 31784, 35120, 39730, 50924, 60143, 63568, 63655, 70240, 79460, 101848, 120286, 127136, 127310, 158920, 203696, 240572, 254620, 300715, 317840, 407392, 481144, 509240, 601430, 635680, 962288, 1018480, 1202860, 1744147, 1924576, 2036960, 2405720, 3488294, 4811440, 6976588, 8720735, 9622880, 13953176, 17441470, 27906352, 34882940, 55812704, 69765880, 139531760, 279063520]

約数ペア:

[(1, 279063520), (2, 139531760), (4, 69765880), (5, 55812704), (8, 34882940), (10, 27906352), (16, 17441470), (20, 13953176), (29, 9622880), (32, 8720735), (40, 6976588), (58, 4811440), (80, 3488294), (116, 2405720), (137, 2036960), (145, 1924576), (160, 1744147), (232, 1202860), (274, 1018480), (290, 962288), (439, 635680), (464, 601430), (548, 509240), (580, 481144), (685, 407392), (878, 317840), (928, 300715), (1096, 254620), (1160, 240572), (1370, 203696), (1756, 158920), (2192, 127310), (2195, 127136), (2320, 120286), (2740, 101848), (3512, 79460), (3973, 70240), (4384, 63655), (4390, 63568), (4640, 60143), (5480, 50924), (7024, 39730), (7946, 35120), (8780, 31784), (10960, 25462), (12731, 21920), (14048, 19865), (15892, 17560)]