138550160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 397688832

約数和(自身を除く): 259138672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 80, 92, 112, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 347, 368, 434, 460, 496, 560, 620, 644, 694, 713, 805, 868, 920, 1085, 1240, 1288, 1388, 1426, 1610, 1735, 1736, 1840, 2170, 2429, 2480, 2576, 2776, 2852, 3220, 3470, 3472, 3565, 4340, 4858, 4991, 5552, 5704, 6440, 6940, 7130, 7981, 8680, 9716, 9982, 10757, 11408, 12145, 12880, 13880, 14260, 15962, 17360, 19432, 19964, 21514, 24290, 24955, 27760, 28520, 31924, 38864, 39905, 39928, 43028, 48580, 49910, 53785, 55867, 57040, 63848, 75299, 79810, 79856, 86056, 97160, 99820, 107570, 111734, 127696, 150598, 159620, 172112, 194320, 199640, 215140, 223468, 247411, 279335, 301196, 319240, 376495, 399280, 430280, 446936, 494822, 558670, 602392, 638480, 752990, 860560, 893872, 989644, 1117340, 1204784, 1237055, 1505980, 1731877, 1979288, 2234680, 2474110, 3011960, 3463754, 3958576, 4469360, 4948220, 6023920, 6927508, 8659385, 9896440, 13855016, 17318770, 19792880, 27710032, 34637540, 69275080, 138550160]

約数ペア:

[(1, 138550160), (2, 69275080), (4, 34637540), (5, 27710032), (7, 19792880), (8, 17318770), (10, 13855016), (14, 9896440), (16, 8659385), (20, 6927508), (23, 6023920), (28, 4948220), (31, 4469360), (35, 3958576), (40, 3463754), (46, 3011960), (56, 2474110), (62, 2234680), (70, 1979288), (80, 1731877), (92, 1505980), (112, 1237055), (115, 1204784), (124, 1117340), (140, 989644), (155, 893872), (161, 860560), (184, 752990), (217, 638480), (230, 602392), (248, 558670), (280, 494822), (310, 446936), (322, 430280), (347, 399280), (368, 376495), (434, 319240), (460, 301196), (496, 279335), (560, 247411), (620, 223468), (644, 215140), (694, 199640), (713, 194320), (805, 172112), (868, 159620), (920, 150598), (1085, 127696), (1240, 111734), (1288, 107570), (1388, 99820), (1426, 97160), (1610, 86056), (1735, 79856), (1736, 79810), (1840, 75299), (2170, 63848), (2429, 57040), (2480, 55867), (2576, 53785), (2776, 49910), (2852, 48580), (3220, 43028), (3470, 39928), (3472, 39905), (3565, 38864), (4340, 31924), (4858, 28520), (4991, 27760), (5552, 24955), (5704, 24290), (6440, 21514), (6940, 19964), (7130, 19432), (7981, 17360), (8680, 15962), (9716, 14260), (9982, 13880), (10757, 12880), (11408, 12145)]