287406270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3323}}^1$

素因数の和:3398

約数の個数: 72

約数和(自身を含む): 772371288

約数和(自身を除く): 484965018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 961, 1395, 1922, 2790, 2883, 3323, 4805, 5766, 6646, 8649, 9610, 9969, 14415, 16615, 17298, 19938, 28830, 29907, 33230, 43245, 49845, 59814, 86490, 99690, 103013, 149535, 206026, 299070, 309039, 515065, 618078, 927117, 1030130, 1545195, 1854234, 3090390, 3193403, 4635585, 6386806, 9271170, 9580209, 15967015, 19160418, 28740627, 31934030, 47901045, 57481254, 95802090, 143703135, 287406270]

約数ペア:

[(1, 287406270), (2, 143703135), (3, 95802090), (5, 57481254), (6, 47901045), (9, 31934030), (10, 28740627), (15, 19160418), (18, 15967015), (30, 9580209), (31, 9271170), (45, 6386806), (62, 4635585), (90, 3193403), (93, 3090390), (155, 1854234), (186, 1545195), (279, 1030130), (310, 927117), (465, 618078), (558, 515065), (930, 309039), (961, 299070), (1395, 206026), (1922, 149535), (2790, 103013), (2883, 99690), (3323, 86490), (4805, 59814), (5766, 49845), (6646, 43245), (8649, 33230), (9610, 29907), (9969, 28830), (14415, 19938), (16615, 17298)]