221742540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2876

約数の個数: 144

約数和(自身を含む): 739065600

約数和(自身を除く): 517323060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 2819, 3420, 3933, 4140, 4370, 5244, 5638, 6555, 7866, 8457, 8740, 11276, 13110, 14095, 15732, 16914, 19665, 25371, 26220, 28190, 33828, 39330, 42285, 50742, 53561, 56380, 64837, 78660, 84570, 101484, 107122, 126855, 129674, 160683, 169140, 194511, 214244, 253710, 259348, 267805, 321366, 324185, 389022, 482049, 507420, 535610, 583533, 642732, 648370, 778044, 803415, 964098, 972555, 1071220, 1167066, 1231903, 1296740, 1606830, 1928196, 1945110, 2334132, 2410245, 2463806, 2917665, 3213660, 3695709, 3890220, 4820490, 4927612, 5835330, 6159515, 7391418, 9640980, 11087127, 11670660, 12319030, 14782836, 18478545, 22174254, 24638060, 36957090, 44348508, 55435635, 73914180, 110871270, 221742540]

約数ペア:

[(1, 221742540), (2, 110871270), (3, 73914180), (4, 55435635), (5, 44348508), (6, 36957090), (9, 24638060), (10, 22174254), (12, 18478545), (15, 14782836), (18, 12319030), (19, 11670660), (20, 11087127), (23, 9640980), (30, 7391418), (36, 6159515), (38, 5835330), (45, 4927612), (46, 4820490), (57, 3890220), (60, 3695709), (69, 3213660), (76, 2917665), (90, 2463806), (92, 2410245), (95, 2334132), (114, 1945110), (115, 1928196), (138, 1606830), (171, 1296740), (180, 1231903), (190, 1167066), (207, 1071220), (228, 972555), (230, 964098), (276, 803415), (285, 778044), (342, 648370), (345, 642732), (380, 583533), (414, 535610), (437, 507420), (460, 482049), (570, 389022), (684, 324185), (690, 321366), (828, 267805), (855, 259348), (874, 253710), (1035, 214244), (1140, 194511), (1311, 169140), (1380, 160683), (1710, 129674), (1748, 126855), (2070, 107122), (2185, 101484), (2622, 84570), (2819, 78660), (3420, 64837), (3933, 56380), (4140, 53561), (4370, 50742), (5244, 42285), (5638, 39330), (6555, 33828), (7866, 28190), (8457, 26220), (8740, 25371), (11276, 19665), (13110, 16914), (14095, 15732)]