257482080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{178807}}^1$

素因数の和:178828

約数の個数: 72

約数和(自身を含む): 878662512

約数和(自身を除く): 621180432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 178807, 357614, 536421, 715228, 894035, 1072842, 1430456, 1609263, 1788070, 2145684, 2682105, 2860912, 3218526, 3576140, 4291368, 5364210, 5721824, 6437052, 7152280, 8046315, 8582736, 10728420, 12874104, 14304560, 16092630, 17165472, 21456840, 25748208, 28609120, 32185260, 42913680, 51496416, 64370520, 85827360, 128741040, 257482080]

約数ペア:

[(1, 257482080), (2, 128741040), (3, 85827360), (4, 64370520), (5, 51496416), (6, 42913680), (8, 32185260), (9, 28609120), (10, 25748208), (12, 21456840), (15, 17165472), (16, 16092630), (18, 14304560), (20, 12874104), (24, 10728420), (30, 8582736), (32, 8046315), (36, 7152280), (40, 6437052), (45, 5721824), (48, 5364210), (60, 4291368), (72, 3576140), (80, 3218526), (90, 2860912), (96, 2682105), (120, 2145684), (144, 1788070), (160, 1609263), (180, 1430456), (240, 1072842), (288, 894035), (360, 715228), (480, 536421), (720, 357614), (1440, 178807)]