63906780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21737}}^1$

素因数の和:21763

約数の個数: 72

約数和(自身を含む): 208163088

約数和(自身を除く): 144256308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 21737, 43474, 65211, 86948, 108685, 130422, 152159, 217370, 260844, 304318, 326055, 434740, 456477, 608636, 652110, 760795, 912954, 1065113, 1304220, 1521590, 1825908, 2130226, 2282385, 3043180, 3195339, 4260452, 4564770, 5325565, 6390678, 9129540, 10651130, 12781356, 15976695, 21302260, 31953390, 63906780]

約数ペア:

[(1, 63906780), (2, 31953390), (3, 21302260), (4, 15976695), (5, 12781356), (6, 10651130), (7, 9129540), (10, 6390678), (12, 5325565), (14, 4564770), (15, 4260452), (20, 3195339), (21, 3043180), (28, 2282385), (30, 2130226), (35, 1825908), (42, 1521590), (49, 1304220), (60, 1065113), (70, 912954), (84, 760795), (98, 652110), (105, 608636), (140, 456477), (147, 434740), (196, 326055), (210, 304318), (245, 260844), (294, 217370), (420, 152159), (490, 130422), (588, 108685), (735, 86948), (980, 65211), (1470, 43474), (2940, 21737)]