28335780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1301}}^1$

素因数の和:1338

約数の個数: 108

約数和(自身を含む): 94548636

約数和(自身を除く): 66212856

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1301, 1452, 1815, 1980, 2178, 2420, 2602, 3630, 3903, 4356, 5204, 5445, 6505, 7260, 7806, 10890, 11709, 13010, 14311, 15612, 19515, 21780, 23418, 26020, 28622, 39030, 42933, 46836, 57244, 58545, 71555, 78060, 85866, 117090, 128799, 143110, 157421, 171732, 214665, 234180, 257598, 286220, 314842, 429330, 472263, 515196, 629684, 643995, 787105, 858660, 944526, 1287990, 1416789, 1574210, 1889052, 2361315, 2575980, 2833578, 3148420, 4722630, 5667156, 7083945, 9445260, 14167890, 28335780]

約数ペア:

[(1, 28335780), (2, 14167890), (3, 9445260), (4, 7083945), (5, 5667156), (6, 4722630), (9, 3148420), (10, 2833578), (11, 2575980), (12, 2361315), (15, 1889052), (18, 1574210), (20, 1416789), (22, 1287990), (30, 944526), (33, 858660), (36, 787105), (44, 643995), (45, 629684), (55, 515196), (60, 472263), (66, 429330), (90, 314842), (99, 286220), (110, 257598), (121, 234180), (132, 214665), (165, 171732), (180, 157421), (198, 143110), (220, 128799), (242, 117090), (330, 85866), (363, 78060), (396, 71555), (484, 58545), (495, 57244), (605, 46836), (660, 42933), (726, 39030), (990, 28622), (1089, 26020), (1210, 23418), (1301, 21780), (1452, 19515), (1815, 15612), (1980, 14311), (2178, 13010), (2420, 11709), (2602, 10890), (3630, 7806), (3903, 7260), (4356, 6505), (5204, 5445)]