68978360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:301

約数の個数: 128

約数和(自身を含む): 183859200

約数和(自身を除く): 114880840

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 209, 220, 223, 296, 370, 380, 407, 418, 440, 446, 703, 740, 760, 814, 836, 892, 1045, 1115, 1406, 1480, 1628, 1672, 1784, 2035, 2090, 2230, 2453, 2812, 3256, 3515, 4070, 4180, 4237, 4460, 4906, 5624, 7030, 7733, 8140, 8251, 8360, 8474, 8920, 9812, 12265, 14060, 15466, 16280, 16502, 16948, 19624, 21185, 24530, 28120, 30932, 33004, 33896, 38665, 41255, 42370, 46607, 49060, 61864, 66008, 77330, 82510, 84740, 90761, 93214, 98120, 154660, 156769, 165020, 169480, 181522, 186428, 233035, 309320, 313538, 330040, 363044, 372856, 453805, 466070, 627076, 726088, 783845, 907610, 932140, 1254152, 1567690, 1724459, 1815220, 1864280, 3135380, 3448918, 3630440, 6270760, 6897836, 8622295, 13795672, 17244590, 34489180, 68978360]

約数ペア:

[(1, 68978360), (2, 34489180), (4, 17244590), (5, 13795672), (8, 8622295), (10, 6897836), (11, 6270760), (19, 3630440), (20, 3448918), (22, 3135380), (37, 1864280), (38, 1815220), (40, 1724459), (44, 1567690), (55, 1254152), (74, 932140), (76, 907610), (88, 783845), (95, 726088), (110, 627076), (148, 466070), (152, 453805), (185, 372856), (190, 363044), (209, 330040), (220, 313538), (223, 309320), (296, 233035), (370, 186428), (380, 181522), (407, 169480), (418, 165020), (440, 156769), (446, 154660), (703, 98120), (740, 93214), (760, 90761), (814, 84740), (836, 82510), (892, 77330), (1045, 66008), (1115, 61864), (1406, 49060), (1480, 46607), (1628, 42370), (1672, 41255), (1784, 38665), (2035, 33896), (2090, 33004), (2230, 30932), (2453, 28120), (2812, 24530), (3256, 21185), (3515, 19624), (4070, 16948), (4180, 16502), (4237, 16280), (4460, 15466), (4906, 14060), (5624, 12265), (7030, 9812), (7733, 8920), (8140, 8474), (8251, 8360)]