393272960

素因数分解:

$2^7\times 5^1\times {\mathrm{227}}^1\times {\mathrm{2707}}^1$

素因数の和:2953

約数の個数: 64

約数和(自身を含む): 944658720

約数和(自身を除く): 551385760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 320, 454, 640, 908, 1135, 1816, 2270, 2707, 3632, 4540, 5414, 7264, 9080, 10828, 13535, 14528, 18160, 21656, 27070, 29056, 36320, 43312, 54140, 72640, 86624, 108280, 145280, 173248, 216560, 346496, 433120, 614489, 866240, 1228978, 1732480, 2457956, 3072445, 4915912, 6144890, 9831824, 12289780, 19663648, 24579560, 39327296, 49159120, 78654592, 98318240, 196636480, 393272960]

約数ペア:

[(1, 393272960), (2, 196636480), (4, 98318240), (5, 78654592), (8, 49159120), (10, 39327296), (16, 24579560), (20, 19663648), (32, 12289780), (40, 9831824), (64, 6144890), (80, 4915912), (128, 3072445), (160, 2457956), (227, 1732480), (320, 1228978), (454, 866240), (640, 614489), (908, 433120), (1135, 346496), (1816, 216560), (2270, 173248), (2707, 145280), (3632, 108280), (4540, 86624), (5414, 72640), (7264, 54140), (9080, 43312), (10828, 36320), (13535, 29056), (14528, 27070), (18160, 21656)]