291265380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1146

約数の個数: 144

約数和(自身を含む): 1014633984

約数和(自身を除く): 723368604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 271, 315, 420, 542, 630, 813, 853, 1084, 1260, 1355, 1626, 1706, 1897, 2439, 2559, 2710, 3252, 3412, 3794, 4065, 4265, 4878, 5118, 5420, 5691, 5971, 7588, 7677, 8130, 8530, 9485, 9756, 10236, 11382, 11942, 12195, 12795, 15354, 16260, 17060, 17073, 17913, 18970, 22764, 23884, 24390, 25590, 28455, 29855, 30708, 34146, 35826, 37940, 38385, 48780, 51180, 53739, 56910, 59710, 68292, 71652, 76770, 85365, 89565, 107478, 113820, 119420, 153540, 170730, 179130, 214956, 231163, 268695, 341460, 358260, 462326, 537390, 693489, 924652, 1074780, 1155815, 1386978, 1618141, 2080467, 2311630, 2773956, 3236282, 3467445, 4160934, 4623260, 4854423, 6472564, 6934890, 8090705, 8321868, 9708846, 10402335, 13869780, 14563269, 16181410, 19417692, 20804670, 24272115, 29126538, 32362820, 41609340, 48544230, 58253076, 72816345, 97088460, 145632690, 291265380]

約数ペア:

[(1, 291265380), (2, 145632690), (3, 97088460), (4, 72816345), (5, 58253076), (6, 48544230), (7, 41609340), (9, 32362820), (10, 29126538), (12, 24272115), (14, 20804670), (15, 19417692), (18, 16181410), (20, 14563269), (21, 13869780), (28, 10402335), (30, 9708846), (35, 8321868), (36, 8090705), (42, 6934890), (45, 6472564), (60, 4854423), (63, 4623260), (70, 4160934), (84, 3467445), (90, 3236282), (105, 2773956), (126, 2311630), (140, 2080467), (180, 1618141), (210, 1386978), (252, 1155815), (271, 1074780), (315, 924652), (420, 693489), (542, 537390), (630, 462326), (813, 358260), (853, 341460), (1084, 268695), (1260, 231163), (1355, 214956), (1626, 179130), (1706, 170730), (1897, 153540), (2439, 119420), (2559, 113820), (2710, 107478), (3252, 89565), (3412, 85365), (3794, 76770), (4065, 71652), (4265, 68292), (4878, 59710), (5118, 56910), (5420, 53739), (5691, 51180), (5971, 48780), (7588, 38385), (7677, 37940), (8130, 35826), (8530, 34146), (9485, 30708), (9756, 29855), (10236, 28455), (11382, 25590), (11942, 24390), (12195, 23884), (12795, 22764), (15354, 18970), (16260, 17913), (17060, 17073)]