261945504

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131}}^2$

素因数の和:331

約数の個数: 108

約数和(自身を含む): 764800218

約数和(自身を除く): 502854714

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 131, 144, 159, 212, 262, 288, 318, 393, 424, 477, 524, 636, 786, 848, 954, 1048, 1179, 1272, 1572, 1696, 1908, 2096, 2358, 2544, 3144, 3816, 4192, 4716, 5088, 6288, 6943, 7632, 9432, 12576, 13886, 15264, 17161, 18864, 20829, 27772, 34322, 37728, 41658, 51483, 55544, 62487, 68644, 83316, 102966, 111088, 124974, 137288, 154449, 166632, 205932, 222176, 249948, 274576, 308898, 333264, 411864, 499896, 549152, 617796, 666528, 823728, 909533, 999792, 1235592, 1647456, 1819066, 1999584, 2471184, 2728599, 3638132, 4942368, 5457198, 7276264, 8185797, 10914396, 14552528, 16371594, 21828792, 29105056, 32743188, 43657584, 65486376, 87315168, 130972752, 261945504]

約数ペア:

[(1, 261945504), (2, 130972752), (3, 87315168), (4, 65486376), (6, 43657584), (8, 32743188), (9, 29105056), (12, 21828792), (16, 16371594), (18, 14552528), (24, 10914396), (32, 8185797), (36, 7276264), (48, 5457198), (53, 4942368), (72, 3638132), (96, 2728599), (106, 2471184), (131, 1999584), (144, 1819066), (159, 1647456), (212, 1235592), (262, 999792), (288, 909533), (318, 823728), (393, 666528), (424, 617796), (477, 549152), (524, 499896), (636, 411864), (786, 333264), (848, 308898), (954, 274576), (1048, 249948), (1179, 222176), (1272, 205932), (1572, 166632), (1696, 154449), (1908, 137288), (2096, 124974), (2358, 111088), (2544, 102966), (3144, 83316), (3816, 68644), (4192, 62487), (4716, 55544), (5088, 51483), (6288, 41658), (6943, 37728), (7632, 34322), (9432, 27772), (12576, 20829), (13886, 18864), (15264, 17161)]