78854480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 194518800

約数和(自身を除く): 115664320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 41, 58, 80, 82, 116, 145, 164, 205, 232, 290, 328, 410, 464, 580, 656, 820, 829, 1160, 1189, 1640, 1658, 2320, 2378, 3280, 3316, 4145, 4756, 5945, 6632, 8290, 9512, 11890, 13264, 16580, 19024, 23780, 24041, 33160, 33989, 47560, 48082, 66320, 67978, 95120, 96164, 120205, 135956, 169945, 192328, 240410, 271912, 339890, 384656, 480820, 543824, 679780, 961640, 985681, 1359560, 1923280, 1971362, 2719120, 3942724, 4928405, 7885448, 9856810, 15770896, 19713620, 39427240, 78854480]

約数ペア:

[(1, 78854480), (2, 39427240), (4, 19713620), (5, 15770896), (8, 9856810), (10, 7885448), (16, 4928405), (20, 3942724), (29, 2719120), (40, 1971362), (41, 1923280), (58, 1359560), (80, 985681), (82, 961640), (116, 679780), (145, 543824), (164, 480820), (205, 384656), (232, 339890), (290, 271912), (328, 240410), (410, 192328), (464, 169945), (580, 135956), (656, 120205), (820, 96164), (829, 95120), (1160, 67978), (1189, 66320), (1640, 48082), (1658, 47560), (2320, 33989), (2378, 33160), (3280, 24041), (3316, 23780), (4145, 19024), (4756, 16580), (5945, 13264), (6632, 11890), (8290, 9512)]