255960180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6606

約数の個数: 144

約数和(自身を含む): 916091904

約数和(自身を除く): 660131724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 6553, 7812, 9765, 13020, 13106, 19530, 19659, 26212, 32765, 39060, 39318, 45871, 58977, 65530, 78636, 91742, 98295, 117954, 131060, 137613, 183484, 196590, 203143, 229355, 235908, 275226, 294885, 393180, 406286, 412839, 458710, 550452, 589770, 609429, 688065, 812572, 825678, 917420, 1015715, 1179540, 1218858, 1376130, 1422001, 1651356, 1828287, 2031430, 2064195, 2437716, 2752260, 2844002, 3047145, 3656574, 4062860, 4128390, 4266003, 5688004, 6094290, 7110005, 7313148, 8256780, 8532006, 9141435, 12188580, 12798009, 14220010, 17064012, 18282870, 21330015, 25596018, 28440020, 36565740, 42660030, 51192036, 63990045, 85320060, 127980090, 255960180]

約数ペア:

[(1, 255960180), (2, 127980090), (3, 85320060), (4, 63990045), (5, 51192036), (6, 42660030), (7, 36565740), (9, 28440020), (10, 25596018), (12, 21330015), (14, 18282870), (15, 17064012), (18, 14220010), (20, 12798009), (21, 12188580), (28, 9141435), (30, 8532006), (31, 8256780), (35, 7313148), (36, 7110005), (42, 6094290), (45, 5688004), (60, 4266003), (62, 4128390), (63, 4062860), (70, 3656574), (84, 3047145), (90, 2844002), (93, 2752260), (105, 2437716), (124, 2064195), (126, 2031430), (140, 1828287), (155, 1651356), (180, 1422001), (186, 1376130), (210, 1218858), (217, 1179540), (252, 1015715), (279, 917420), (310, 825678), (315, 812572), (372, 688065), (420, 609429), (434, 589770), (465, 550452), (558, 458710), (620, 412839), (630, 406286), (651, 393180), (868, 294885), (930, 275226), (1085, 235908), (1116, 229355), (1260, 203143), (1302, 196590), (1395, 183484), (1860, 137613), (1953, 131060), (2170, 117954), (2604, 98295), (2790, 91742), (3255, 78636), (3906, 65530), (4340, 58977), (5580, 45871), (6510, 39318), (6553, 39060), (7812, 32765), (9765, 26212), (13020, 19659), (13106, 19530)]