64955220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 144184620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 33, 44, 46, 55, 60, 66, 69, 92, 110, 115, 121, 132, 138, 165, 220, 230, 242, 253, 276, 330, 345, 363, 389, 460, 484, 506, 605, 660, 690, 726, 759, 778, 1012, 1167, 1210, 1265, 1380, 1452, 1518, 1556, 1815, 1945, 2334, 2420, 2530, 2783, 3036, 3630, 3795, 3890, 4279, 4668, 5060, 5566, 5835, 7260, 7590, 7780, 8349, 8558, 8947, 11132, 11670, 12837, 13915, 15180, 16698, 17116, 17894, 21395, 23340, 25674, 26841, 27830, 33396, 35788, 41745, 42790, 44735, 47069, 51348, 53682, 55660, 64185, 83490, 85580, 89470, 94138, 98417, 107364, 128370, 134205, 141207, 166980, 178940, 188276, 196834, 235345, 256740, 268410, 282414, 295251, 393668, 470690, 492085, 536820, 564828, 590502, 706035, 941380, 984170, 1082587, 1181004, 1412070, 1476255, 1968340, 2165174, 2824140, 2952510, 3247761, 4330348, 5412935, 5905020, 6495522, 10825870, 12991044, 16238805, 21651740, 32477610, 64955220]

約数ペア:

[(1, 64955220), (2, 32477610), (3, 21651740), (4, 16238805), (5, 12991044), (6, 10825870), (10, 6495522), (11, 5905020), (12, 5412935), (15, 4330348), (20, 3247761), (22, 2952510), (23, 2824140), (30, 2165174), (33, 1968340), (44, 1476255), (46, 1412070), (55, 1181004), (60, 1082587), (66, 984170), (69, 941380), (92, 706035), (110, 590502), (115, 564828), (121, 536820), (132, 492085), (138, 470690), (165, 393668), (220, 295251), (230, 282414), (242, 268410), (253, 256740), (276, 235345), (330, 196834), (345, 188276), (363, 178940), (389, 166980), (460, 141207), (484, 134205), (506, 128370), (605, 107364), (660, 98417), (690, 94138), (726, 89470), (759, 85580), (778, 83490), (1012, 64185), (1167, 55660), (1210, 53682), (1265, 51348), (1380, 47069), (1452, 44735), (1518, 42790), (1556, 41745), (1815, 35788), (1945, 33396), (2334, 27830), (2420, 26841), (2530, 25674), (2783, 23340), (3036, 21395), (3630, 17894), (3795, 17116), (3890, 16698), (4279, 15180), (4668, 13915), (5060, 12837), (5566, 11670), (5835, 11132), (7260, 8947), (7590, 8558), (7780, 8349)]