518290240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4080

約数の個数: 112

約数和(自身を含む): 1372331520

約数和(自身を除く): 854041280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2480, 3224, 4019, 4030, 4160, 4960, 6448, 8038, 8060, 9920, 12896, 16076, 16120, 20095, 25792, 32152, 32240, 40190, 52247, 64304, 64480, 80380, 104494, 124589, 128608, 128960, 160760, 208988, 249178, 257216, 261235, 321520, 417976, 498356, 522470, 622945, 643040, 835952, 996712, 1044940, 1245890, 1286080, 1619657, 1671904, 1993424, 2089880, 2491780, 3239314, 3343808, 3986848, 4179760, 4983560, 6478628, 7973696, 8098285, 8359520, 9967120, 12957256, 16196570, 16719040, 19934240, 25914512, 32393140, 39868480, 51829024, 64786280, 103658048, 129572560, 259145120, 518290240]

約数ペア:

[(1, 518290240), (2, 259145120), (4, 129572560), (5, 103658048), (8, 64786280), (10, 51829024), (13, 39868480), (16, 32393140), (20, 25914512), (26, 19934240), (31, 16719040), (32, 16196570), (40, 12957256), (52, 9967120), (62, 8359520), (64, 8098285), (65, 7973696), (80, 6478628), (104, 4983560), (124, 4179760), (130, 3986848), (155, 3343808), (160, 3239314), (208, 2491780), (248, 2089880), (260, 1993424), (310, 1671904), (320, 1619657), (403, 1286080), (416, 1245890), (496, 1044940), (520, 996712), (620, 835952), (806, 643040), (832, 622945), (992, 522470), (1040, 498356), (1240, 417976), (1612, 321520), (1984, 261235), (2015, 257216), (2080, 249178), (2480, 208988), (3224, 160760), (4019, 128960), (4030, 128608), (4160, 124589), (4960, 104494), (6448, 80380), (8038, 64480), (8060, 64304), (9920, 52247), (12896, 40190), (16076, 32240), (16120, 32152), (20095, 25792)]