661531290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{136963}}^1$

素因数の和:137003

約数の個数: 64

約数和(自身を含む): 1893390336

約数和(自身を除く): 1231859046

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 136963, 273926, 410889, 684815, 821778, 958741, 1369630, 1917482, 2054445, 2876223, 3150149, 4108890, 4793705, 5752446, 6300298, 9450447, 9587410, 14381115, 15750745, 18900894, 22051043, 28762230, 31501490, 44102086, 47252235, 66153129, 94504470, 110255215, 132306258, 220510430, 330765645, 661531290]

約数ペア:

[(1, 661531290), (2, 330765645), (3, 220510430), (5, 132306258), (6, 110255215), (7, 94504470), (10, 66153129), (14, 47252235), (15, 44102086), (21, 31501490), (23, 28762230), (30, 22051043), (35, 18900894), (42, 15750745), (46, 14381115), (69, 9587410), (70, 9450447), (105, 6300298), (115, 5752446), (138, 4793705), (161, 4108890), (210, 3150149), (230, 2876223), (322, 2054445), (345, 1917482), (483, 1369630), (690, 958741), (805, 821778), (966, 684815), (1610, 410889), (2415, 273926), (4830, 136963)]