28491210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 84913920

約数和(自身を除く): 56422710

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 53, 54, 55, 66, 90, 99, 106, 110, 135, 159, 165, 181, 198, 265, 270, 297, 318, 330, 362, 477, 495, 530, 543, 583, 594, 795, 905, 954, 990, 1086, 1166, 1431, 1485, 1590, 1629, 1749, 1810, 1991, 2385, 2715, 2862, 2915, 2970, 3258, 3498, 3982, 4770, 4887, 5247, 5430, 5830, 5973, 7155, 8145, 8745, 9593, 9774, 9955, 10494, 11946, 14310, 15741, 16290, 17490, 17919, 19186, 19910, 24435, 26235, 28779, 29865, 31482, 35838, 47965, 48870, 52470, 53757, 57558, 59730, 78705, 86337, 89595, 95930, 105523, 107514, 143895, 157410, 172674, 179190, 211046, 259011, 268785, 287790, 316569, 431685, 518022, 527615, 537570, 633138, 863370, 949707, 1055230, 1295055, 1582845, 1899414, 2590110, 2849121, 3165690, 4748535, 5698242, 9497070, 14245605, 28491210]

約数ペア:

[(1, 28491210), (2, 14245605), (3, 9497070), (5, 5698242), (6, 4748535), (9, 3165690), (10, 2849121), (11, 2590110), (15, 1899414), (18, 1582845), (22, 1295055), (27, 1055230), (30, 949707), (33, 863370), (45, 633138), (53, 537570), (54, 527615), (55, 518022), (66, 431685), (90, 316569), (99, 287790), (106, 268785), (110, 259011), (135, 211046), (159, 179190), (165, 172674), (181, 157410), (198, 143895), (265, 107514), (270, 105523), (297, 95930), (318, 89595), (330, 86337), (362, 78705), (477, 59730), (495, 57558), (530, 53757), (543, 52470), (583, 48870), (594, 47965), (795, 35838), (905, 31482), (954, 29865), (990, 28779), (1086, 26235), (1166, 24435), (1431, 19910), (1485, 19186), (1590, 17919), (1629, 17490), (1749, 16290), (1810, 15741), (1991, 14310), (2385, 11946), (2715, 10494), (2862, 9955), (2915, 9774), (2970, 9593), (3258, 8745), (3498, 8145), (3982, 7155), (4770, 5973), (4887, 5830), (5247, 5430)]