81741264

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 246841344

約数和(自身を除く): 165100080

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 33, 44, 46, 48, 53, 66, 69, 88, 92, 106, 127, 132, 138, 159, 176, 184, 212, 253, 254, 264, 276, 318, 368, 381, 424, 506, 508, 528, 552, 583, 636, 759, 762, 848, 1012, 1016, 1104, 1166, 1219, 1272, 1397, 1518, 1524, 1749, 2024, 2032, 2332, 2438, 2544, 2794, 2921, 3036, 3048, 3498, 3657, 4048, 4191, 4664, 4876, 5588, 5842, 6072, 6096, 6731, 6996, 7314, 8382, 8763, 9328, 9752, 11176, 11684, 12144, 13409, 13462, 13992, 14628, 16764, 17526, 19504, 20193, 22352, 23368, 26818, 26924, 27984, 29256, 32131, 33528, 35052, 40227, 40386, 46736, 53636, 53848, 58512, 64262, 67056, 70104, 74041, 80454, 80772, 96393, 107272, 107696, 128524, 140208, 148082, 154813, 160908, 161544, 192786, 214544, 222123, 257048, 296164, 309626, 321816, 323088, 385572, 444246, 464439, 514096, 592328, 619252, 643632, 771144, 888492, 928878, 1184656, 1238504, 1542288, 1702943, 1776984, 1857756, 2477008, 3405886, 3553968, 3715512, 5108829, 6811772, 7431024, 10217658, 13623544, 20435316, 27247088, 40870632, 81741264]

約数ペア:

[(1, 81741264), (2, 40870632), (3, 27247088), (4, 20435316), (6, 13623544), (8, 10217658), (11, 7431024), (12, 6811772), (16, 5108829), (22, 3715512), (23, 3553968), (24, 3405886), (33, 2477008), (44, 1857756), (46, 1776984), (48, 1702943), (53, 1542288), (66, 1238504), (69, 1184656), (88, 928878), (92, 888492), (106, 771144), (127, 643632), (132, 619252), (138, 592328), (159, 514096), (176, 464439), (184, 444246), (212, 385572), (253, 323088), (254, 321816), (264, 309626), (276, 296164), (318, 257048), (368, 222123), (381, 214544), (424, 192786), (506, 161544), (508, 160908), (528, 154813), (552, 148082), (583, 140208), (636, 128524), (759, 107696), (762, 107272), (848, 96393), (1012, 80772), (1016, 80454), (1104, 74041), (1166, 70104), (1219, 67056), (1272, 64262), (1397, 58512), (1518, 53848), (1524, 53636), (1749, 46736), (2024, 40386), (2032, 40227), (2332, 35052), (2438, 33528), (2544, 32131), (2794, 29256), (2921, 27984), (3036, 26924), (3048, 26818), (3498, 23368), (3657, 22352), (4048, 20193), (4191, 19504), (4664, 17526), (4876, 16764), (5588, 14628), (5842, 13992), (6072, 13462), (6096, 13409), (6731, 12144), (6996, 11684), (7314, 11176), (8382, 9752), (8763, 9328)]