138918960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3163}}^1$

素因数の和:3243

約数の個数: 120

約数和(自身を含む): 474334224

約数和(自身を除く): 335415264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3163, 3660, 4392, 4880, 5490, 6326, 7320, 8784, 9489, 10980, 12652, 14640, 15815, 18978, 21960, 25304, 28467, 31630, 37956, 43920, 47445, 50608, 56934, 63260, 75912, 94890, 113868, 126520, 142335, 151824, 189780, 192943, 227736, 253040, 284670, 379560, 385886, 455472, 569340, 578829, 759120, 771772, 964715, 1138680, 1157658, 1543544, 1736487, 1929430, 2277360, 2315316, 2894145, 3087088, 3472974, 3858860, 4630632, 5788290, 6945948, 7717720, 8682435, 9261264, 11576580, 13891896, 15435440, 17364870, 23153160, 27783792, 34729740, 46306320, 69459480, 138918960]

約数ペア:

[(1, 138918960), (2, 69459480), (3, 46306320), (4, 34729740), (5, 27783792), (6, 23153160), (8, 17364870), (9, 15435440), (10, 13891896), (12, 11576580), (15, 9261264), (16, 8682435), (18, 7717720), (20, 6945948), (24, 5788290), (30, 4630632), (36, 3858860), (40, 3472974), (45, 3087088), (48, 2894145), (60, 2315316), (61, 2277360), (72, 1929430), (80, 1736487), (90, 1543544), (120, 1157658), (122, 1138680), (144, 964715), (180, 771772), (183, 759120), (240, 578829), (244, 569340), (305, 455472), (360, 385886), (366, 379560), (488, 284670), (549, 253040), (610, 227736), (720, 192943), (732, 189780), (915, 151824), (976, 142335), (1098, 126520), (1220, 113868), (1464, 94890), (1830, 75912), (2196, 63260), (2440, 56934), (2745, 50608), (2928, 47445), (3163, 43920), (3660, 37956), (4392, 31630), (4880, 28467), (5490, 25304), (6326, 21960), (7320, 18978), (8784, 15815), (9489, 14640), (10980, 12652)]