68877180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:296

約数の個数: 144

約数和(自身を含む): 221405184

約数和(自身を除く): 152528004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 127, 131, 138, 180, 207, 230, 254, 262, 276, 345, 381, 393, 414, 460, 508, 524, 635, 655, 690, 762, 786, 828, 1035, 1143, 1179, 1270, 1310, 1380, 1524, 1572, 1905, 1965, 2070, 2286, 2358, 2540, 2620, 2921, 3013, 3810, 3930, 4140, 4572, 4716, 5715, 5842, 5895, 6026, 7620, 7860, 8763, 9039, 11430, 11684, 11790, 12052, 14605, 15065, 16637, 17526, 18078, 22860, 23580, 26289, 27117, 29210, 30130, 33274, 35052, 36156, 43815, 45195, 49911, 52578, 54234, 58420, 60260, 66548, 83185, 87630, 90390, 99822, 105156, 108468, 131445, 135585, 149733, 166370, 175260, 180780, 199644, 249555, 262890, 271170, 299466, 332740, 382651, 499110, 525780, 542340, 598932, 748665, 765302, 998220, 1147953, 1497330, 1530604, 1913255, 2295906, 2994660, 3443859, 3826510, 4591812, 5739765, 6887718, 7653020, 11479530, 13775436, 17219295, 22959060, 34438590, 68877180]

約数ペア:

[(1, 68877180), (2, 34438590), (3, 22959060), (4, 17219295), (5, 13775436), (6, 11479530), (9, 7653020), (10, 6887718), (12, 5739765), (15, 4591812), (18, 3826510), (20, 3443859), (23, 2994660), (30, 2295906), (36, 1913255), (45, 1530604), (46, 1497330), (60, 1147953), (69, 998220), (90, 765302), (92, 748665), (115, 598932), (127, 542340), (131, 525780), (138, 499110), (180, 382651), (207, 332740), (230, 299466), (254, 271170), (262, 262890), (276, 249555), (345, 199644), (381, 180780), (393, 175260), (414, 166370), (460, 149733), (508, 135585), (524, 131445), (635, 108468), (655, 105156), (690, 99822), (762, 90390), (786, 87630), (828, 83185), (1035, 66548), (1143, 60260), (1179, 58420), (1270, 54234), (1310, 52578), (1380, 49911), (1524, 45195), (1572, 43815), (1905, 36156), (1965, 35052), (2070, 33274), (2286, 30130), (2358, 29210), (2540, 27117), (2620, 26289), (2921, 23580), (3013, 22860), (3810, 18078), (3930, 17526), (4140, 16637), (4572, 15065), (4716, 14605), (5715, 12052), (5842, 11790), (5895, 11684), (6026, 11430), (7620, 9039), (7860, 8763)]