80918460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21407}}^1$

素因数の和:21432

約数の個数: 96

約数和(自身を含む): 287723520

約数和(自身を除く): 206805060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21407, 42814, 64221, 85628, 107035, 128442, 149849, 192663, 214070, 256884, 299698, 321105, 385326, 428140, 449547, 577989, 599396, 642210, 749245, 770652, 899094, 963315, 1155978, 1284420, 1348641, 1498490, 1798188, 1926630, 2247735, 2311956, 2697282, 2889945, 2996980, 3853260, 4045923, 4495470, 5394564, 5779890, 6743205, 8091846, 8990940, 11559780, 13486410, 16183692, 20229615, 26972820, 40459230, 80918460]

約数ペア:

[(1, 80918460), (2, 40459230), (3, 26972820), (4, 20229615), (5, 16183692), (6, 13486410), (7, 11559780), (9, 8990940), (10, 8091846), (12, 6743205), (14, 5779890), (15, 5394564), (18, 4495470), (20, 4045923), (21, 3853260), (27, 2996980), (28, 2889945), (30, 2697282), (35, 2311956), (36, 2247735), (42, 1926630), (45, 1798188), (54, 1498490), (60, 1348641), (63, 1284420), (70, 1155978), (84, 963315), (90, 899094), (105, 770652), (108, 749245), (126, 642210), (135, 599396), (140, 577989), (180, 449547), (189, 428140), (210, 385326), (252, 321105), (270, 299698), (315, 256884), (378, 214070), (420, 192663), (540, 149849), (630, 128442), (756, 107035), (945, 85628), (1260, 64221), (1890, 42814), (3780, 21407)]