81325776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12739}}^1$

素因数の和:12776

約数の個数: 80

約数和(自身を含む): 252761600

約数和(自身を除く): 171435824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 12739, 25478, 38217, 50956, 76434, 89173, 101912, 152868, 178346, 203824, 242041, 267519, 305736, 356692, 484082, 535038, 611472, 713384, 726123, 968164, 1070076, 1426768, 1452246, 1694287, 1936328, 2140152, 2904492, 3388574, 3872656, 4280304, 5082861, 5808984, 6777148, 10165722, 11617968, 13554296, 20331444, 27108592, 40662888, 81325776]

約数ペア:

[(1, 81325776), (2, 40662888), (3, 27108592), (4, 20331444), (6, 13554296), (7, 11617968), (8, 10165722), (12, 6777148), (14, 5808984), (16, 5082861), (19, 4280304), (21, 3872656), (24, 3388574), (28, 2904492), (38, 2140152), (42, 1936328), (48, 1694287), (56, 1452246), (57, 1426768), (76, 1070076), (84, 968164), (112, 726123), (114, 713384), (133, 611472), (152, 535038), (168, 484082), (228, 356692), (266, 305736), (304, 267519), (336, 242041), (399, 203824), (456, 178346), (532, 152868), (798, 101912), (912, 89173), (1064, 76434), (1596, 50956), (2128, 38217), (3192, 25478), (6384, 12739)]