870865280

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22307}}^1$

素因数の和:22387

約数の個数: 64

約数和(自身を含む): 2116136880

約数和(自身を除く): 1245271600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19520, 22307, 39040, 44614, 89228, 111535, 178456, 223070, 356912, 446140, 713824, 892280, 1360727, 1427648, 1784560, 2721454, 2855296, 3569120, 5442908, 6803635, 7138240, 10885816, 13607270, 14276480, 21771632, 27214540, 43543264, 54429080, 87086528, 108858160, 174173056, 217716320, 435432640, 870865280]

約数ペア:

[(1, 870865280), (2, 435432640), (4, 217716320), (5, 174173056), (8, 108858160), (10, 87086528), (16, 54429080), (20, 43543264), (32, 27214540), (40, 21771632), (61, 14276480), (64, 13607270), (80, 10885816), (122, 7138240), (128, 6803635), (160, 5442908), (244, 3569120), (305, 2855296), (320, 2721454), (488, 1784560), (610, 1427648), (640, 1360727), (976, 892280), (1220, 713824), (1952, 446140), (2440, 356912), (3904, 223070), (4880, 178456), (7808, 111535), (9760, 89228), (19520, 44614), (22307, 39040)]