320593140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1708

約数の個数: 240

約数和(自身を含む): 1217728512

約数和(自身を除く): 897135372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 27, 28, 30, 34, 35, 36, 42, 45, 51, 54, 60, 63, 68, 70, 81, 84, 85, 90, 102, 105, 108, 119, 126, 135, 140, 153, 162, 170, 180, 189, 204, 210, 238, 252, 255, 270, 306, 315, 324, 340, 357, 378, 405, 420, 459, 476, 510, 540, 567, 595, 612, 630, 714, 756, 765, 810, 918, 945, 1020, 1071, 1134, 1190, 1260, 1377, 1428, 1530, 1620, 1663, 1785, 1836, 1890, 2142, 2268, 2295, 2380, 2754, 2835, 3060, 3213, 3326, 3570, 3780, 4284, 4590, 4989, 5355, 5508, 5670, 6426, 6652, 6885, 7140, 8315, 9180, 9639, 9978, 10710, 11340, 11641, 12852, 13770, 14967, 16065, 16630, 19278, 19956, 21420, 23282, 24945, 27540, 28271, 29934, 32130, 33260, 34923, 38556, 44901, 46564, 48195, 49890, 56542, 58205, 59868, 64260, 69846, 74835, 84813, 89802, 96390, 99780, 104769, 113084, 116410, 134703, 139692, 141355, 149670, 169626, 174615, 179604, 192780, 197897, 209538, 224505, 232820, 254439, 269406, 282710, 299340, 314307, 339252, 349230, 395794, 419076, 424065, 449010, 508878, 523845, 538812, 565420, 593691, 628614, 673515, 698460, 763317, 791588, 848130, 898020, 942921, 989485, 1017756, 1047690, 1187382, 1257228, 1272195, 1347030, 1526634, 1571535, 1696260, 1781073, 1885842, 1978970, 2095380, 2289951, 2374764, 2544390, 2694060, 2968455, 3053268, 3143070, 3562146, 3771684, 3816585, 3957940, 4579902, 4714605, 5088780, 5343219, 5936910, 6286140, 7124292, 7633170, 8905365, 9159804, 9429210, 10686438, 11449755, 11873820, 15266340, 16029657, 17810730, 18858420, 21372876, 22899510, 26716095, 32059314, 35621460, 45799020, 53432190, 64118628, 80148285, 106864380, 160296570, 320593140]

約数ペア:

[(1, 320593140), (2, 160296570), (3, 106864380), (4, 80148285), (5, 64118628), (6, 53432190), (7, 45799020), (9, 35621460), (10, 32059314), (12, 26716095), (14, 22899510), (15, 21372876), (17, 18858420), (18, 17810730), (20, 16029657), (21, 15266340), (27, 11873820), (28, 11449755), (30, 10686438), (34, 9429210), (35, 9159804), (36, 8905365), (42, 7633170), (45, 7124292), (51, 6286140), (54, 5936910), (60, 5343219), (63, 5088780), (68, 4714605), (70, 4579902), (81, 3957940), (84, 3816585), (85, 3771684), (90, 3562146), (102, 3143070), (105, 3053268), (108, 2968455), (119, 2694060), (126, 2544390), (135, 2374764), (140, 2289951), (153, 2095380), (162, 1978970), (170, 1885842), (180, 1781073), (189, 1696260), (204, 1571535), (210, 1526634), (238, 1347030), (252, 1272195), (255, 1257228), (270, 1187382), (306, 1047690), (315, 1017756), (324, 989485), (340, 942921), (357, 898020), (378, 848130), (405, 791588), (420, 763317), (459, 698460), (476, 673515), (510, 628614), (540, 593691), (567, 565420), (595, 538812), (612, 523845), (630, 508878), (714, 449010), (756, 424065), (765, 419076), (810, 395794), (918, 349230), (945, 339252), (1020, 314307), (1071, 299340), (1134, 282710), (1190, 269406), (1260, 254439), (1377, 232820), (1428, 224505), (1530, 209538), (1620, 197897), (1663, 192780), (1785, 179604), (1836, 174615), (1890, 169626), (2142, 149670), (2268, 141355), (2295, 139692), (2380, 134703), (2754, 116410), (2835, 113084), (3060, 104769), (3213, 99780), (3326, 96390), (3570, 89802), (3780, 84813), (4284, 74835), (4590, 69846), (4989, 64260), (5355, 59868), (5508, 58205), (5670, 56542), (6426, 49890), (6652, 48195), (6885, 46564), (7140, 44901), (8315, 38556), (9180, 34923), (9639, 33260), (9978, 32130), (10710, 29934), (11340, 28271), (11641, 27540), (12852, 24945), (13770, 23282), (14967, 21420), (16065, 19956), (16630, 19278)]