259145120

素因数分解:

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

素因数の和:4078

約数の個数: 96

約数和(自身を含む): 680762880

約数和(自身を除く): 421617760

約数列:

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

約数ペア:

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