81645625.000000000

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{34319}}^1$

素因数の和:34345

約数の個数: 72

約数和(自身を含む): 381466800

約数和(自身を除く): 260389368

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 34319, 68638, 102957, 137276, 205914, 240233, 274552, 308871, 411828, 480466, 617742, 720699, 823656, 960932, 1235484, 1441398, 1681631, 1921864, 2162097, 2470968, 2882796, 3363262, 4324194, 5044893, 5765592, 6726524, 8648388, 10089786, 13453048, 15134679, 17296776, 20179572, 30269358, 40359144, 60538716, 121077432]

約数ペア:

[(1, 121077432), (2, 60538716), (3, 40359144), (4, 30269358), (6, 20179572), (7, 17296776), (8, 15134679), (9, 13453048), (12, 10089786), (14, 8648388), (18, 6726524), (21, 5765592), (24, 5044893), (28, 4324194), (36, 3363262), (42, 2882796), (49, 2470968), (56, 2162097), (63, 1921864), (72, 1681631), (84, 1441398), (98, 1235484), (126, 960932), (147, 823656), (168, 720699), (196, 617742), (252, 480466), (294, 411828), (392, 308871), (441, 274552), (504, 240233), (588, 205914), (882, 137276), (1176, 102957), (1764, 68638), (3528, 34319)]