68912800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:263

約数の個数: 144

約数和(自身を含む): 188987904

約数和(自身を除く): 120075104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 55, 80, 82, 88, 100, 110, 160, 164, 176, 191, 200, 205, 220, 275, 328, 352, 382, 400, 410, 440, 451, 550, 656, 764, 800, 820, 880, 902, 955, 1025, 1100, 1312, 1528, 1640, 1760, 1804, 1910, 2050, 2101, 2200, 2255, 3056, 3280, 3608, 3820, 4100, 4202, 4400, 4510, 4775, 6112, 6560, 7216, 7640, 7831, 8200, 8404, 8800, 9020, 9550, 10505, 11275, 14432, 15280, 15662, 16400, 16808, 18040, 19100, 21010, 22550, 30560, 31324, 32800, 33616, 36080, 38200, 39155, 42020, 45100, 52525, 62648, 67232, 72160, 76400, 78310, 84040, 86141, 90200, 105050, 125296, 152800, 156620, 168080, 172282, 180400, 195775, 210100, 250592, 313240, 336160, 344564, 360800, 391550, 420200, 430705, 626480, 689128, 783100, 840400, 861410, 1252960, 1378256, 1566200, 1680800, 1722820, 2153525, 2756512, 3132400, 3445640, 4307050, 6264800, 6891280, 8614100, 13782560, 17228200, 34456400, 68912800]

約数ペア:

[(1, 68912800), (2, 34456400), (4, 17228200), (5, 13782560), (8, 8614100), (10, 6891280), (11, 6264800), (16, 4307050), (20, 3445640), (22, 3132400), (25, 2756512), (32, 2153525), (40, 1722820), (41, 1680800), (44, 1566200), (50, 1378256), (55, 1252960), (80, 861410), (82, 840400), (88, 783100), (100, 689128), (110, 626480), (160, 430705), (164, 420200), (176, 391550), (191, 360800), (200, 344564), (205, 336160), (220, 313240), (275, 250592), (328, 210100), (352, 195775), (382, 180400), (400, 172282), (410, 168080), (440, 156620), (451, 152800), (550, 125296), (656, 105050), (764, 90200), (800, 86141), (820, 84040), (880, 78310), (902, 76400), (955, 72160), (1025, 67232), (1100, 62648), (1312, 52525), (1528, 45100), (1640, 42020), (1760, 39155), (1804, 38200), (1910, 36080), (2050, 33616), (2101, 32800), (2200, 31324), (2255, 30560), (3056, 22550), (3280, 21010), (3608, 19100), (3820, 18040), (4100, 16808), (4202, 16400), (4400, 15662), (4510, 15280), (4775, 14432), (6112, 11275), (6560, 10505), (7216, 9550), (7640, 9020), (7831, 8800), (8200, 8404)]