18778888980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{53201}}^1$

素因数の和:53306

約数の個数: 144

約数和(自身を含む): 59607095184

約数和(自身を除く): 40828206204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 53, 60, 74, 90, 106, 111, 148, 159, 180, 185, 212, 222, 265, 318, 333, 370, 444, 477, 530, 555, 636, 666, 740, 795, 954, 1060, 1110, 1332, 1590, 1665, 1908, 1961, 2220, 2385, 3180, 3330, 3922, 4770, 5883, 6660, 7844, 9540, 9805, 11766, 17649, 19610, 23532, 29415, 35298, 39220, 53201, 58830, 70596, 88245, 106402, 117660, 159603, 176490, 212804, 266005, 319206, 352980, 478809, 532010, 638412, 798015, 957618, 1064020, 1596030, 1915236, 1968437, 2394045, 2819653, 3192060, 3936874, 4788090, 5639306, 5905311, 7873748, 8458959, 9576180, 9842185, 11278612, 11810622, 14098265, 16917918, 17715933, 19684370, 23621244, 25376877, 28196530, 29526555, 33835836, 35431866, 39368740, 42294795, 50753754, 56393060, 59053110, 70863732, 84589590, 88579665, 101507508, 104327161, 118106220, 126884385, 169179180, 177159330, 208654322, 253768770, 312981483, 354318660, 417308644, 507537540, 521635805, 625962966, 938944449, 1043271610, 1251925932, 1564907415, 1877888898, 2086543220, 3129814830, 3755777796, 4694722245, 6259629660, 9389444490, 18778888980]

約数ペア:

[(1, 18778888980), (2, 9389444490), (3, 6259629660), (4, 4694722245), (5, 3755777796), (6, 3129814830), (9, 2086543220), (10, 1877888898), (12, 1564907415), (15, 1251925932), (18, 1043271610), (20, 938944449), (30, 625962966), (36, 521635805), (37, 507537540), (45, 417308644), (53, 354318660), (60, 312981483), (74, 253768770), (90, 208654322), (106, 177159330), (111, 169179180), (148, 126884385), (159, 118106220), (180, 104327161), (185, 101507508), (212, 88579665), (222, 84589590), (265, 70863732), (318, 59053110), (333, 56393060), (370, 50753754), (444, 42294795), (477, 39368740), (530, 35431866), (555, 33835836), (636, 29526555), (666, 28196530), (740, 25376877), (795, 23621244), (954, 19684370), (1060, 17715933), (1110, 16917918), (1332, 14098265), (1590, 11810622), (1665, 11278612), (1908, 9842185), (1961, 9576180), (2220, 8458959), (2385, 7873748), (3180, 5905311), (3330, 5639306), (3922, 4788090), (4770, 3936874), (5883, 3192060), (6660, 2819653), (7844, 2394045), (9540, 1968437), (9805, 1915236), (11766, 1596030), (17649, 1064020), (19610, 957618), (23532, 798015), (29415, 638412), (35298, 532010), (39220, 478809), (53201, 352980), (58830, 319206), (70596, 266005), (88245, 212804), (106402, 176490), (117660, 159603)]