161761320

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{21397}}^1$

素因数の和:21424

約数の個数: 128

約数和(自身を含む): 616262400

約数和(自身を除く): 454501080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 21397, 42794, 64191, 85588, 106985, 128382, 149779, 171176, 192573, 213970, 256764, 299558, 320955, 385146, 427940, 449337, 513528, 577719, 599116, 641910, 748895, 770292, 855880, 898674, 962865, 1155438, 1198232, 1283820, 1348011, 1497790, 1540584, 1797348, 1925730, 2246685, 2310876, 2567640, 2696022, 2888595, 2995580, 3594696, 3851460, 4044033, 4493370, 4621752, 5392044, 5777190, 5991160, 6740055, 7702920, 8088066, 8986740, 10784088, 11554380, 13480110, 16176132, 17973480, 20220165, 23108760, 26960220, 32352264, 40440330, 53920440, 80880660, 161761320]

約数ペア:

[(1, 161761320), (2, 80880660), (3, 53920440), (4, 40440330), (5, 32352264), (6, 26960220), (7, 23108760), (8, 20220165), (9, 17973480), (10, 16176132), (12, 13480110), (14, 11554380), (15, 10784088), (18, 8986740), (20, 8088066), (21, 7702920), (24, 6740055), (27, 5991160), (28, 5777190), (30, 5392044), (35, 4621752), (36, 4493370), (40, 4044033), (42, 3851460), (45, 3594696), (54, 2995580), (56, 2888595), (60, 2696022), (63, 2567640), (70, 2310876), (72, 2246685), (84, 1925730), (90, 1797348), (105, 1540584), (108, 1497790), (120, 1348011), (126, 1283820), (135, 1198232), (140, 1155438), (168, 962865), (180, 898674), (189, 855880), (210, 770292), (216, 748895), (252, 641910), (270, 599116), (280, 577719), (315, 513528), (360, 449337), (378, 427940), (420, 385146), (504, 320955), (540, 299558), (630, 256764), (756, 213970), (840, 192573), (945, 171176), (1080, 149779), (1260, 128382), (1512, 106985), (1890, 85588), (2520, 64191), (3780, 42794), (7560, 21397)]