180857070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 499968000

約数和(自身を除く): 319110930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 79, 90, 122, 135, 139, 158, 183, 237, 270, 278, 305, 366, 395, 417, 474, 549, 610, 695, 711, 790, 834, 915, 1098, 1185, 1251, 1390, 1422, 1647, 1830, 2085, 2133, 2370, 2502, 2745, 3294, 3555, 3753, 4170, 4266, 4819, 5490, 6255, 7110, 7506, 8235, 8479, 9638, 10665, 10981, 12510, 14457, 16470, 16958, 18765, 21330, 21962, 24095, 25437, 28914, 32943, 37530, 42395, 43371, 48190, 50874, 54905, 65886, 72285, 76311, 84790, 86742, 98829, 109810, 127185, 130113, 144570, 152622, 164715, 197658, 216855, 228933, 254370, 260226, 296487, 329430, 381555, 433710, 457866, 494145, 592974, 650565, 669841, 763110, 988290, 1144665, 1301130, 1339682, 1482435, 2009523, 2289330, 2964870, 3349205, 4019046, 6028569, 6698410, 10047615, 12057138, 18085707, 20095230, 30142845, 36171414, 60285690, 90428535, 180857070]

約数ペア:

[(1, 180857070), (2, 90428535), (3, 60285690), (5, 36171414), (6, 30142845), (9, 20095230), (10, 18085707), (15, 12057138), (18, 10047615), (27, 6698410), (30, 6028569), (45, 4019046), (54, 3349205), (61, 2964870), (79, 2289330), (90, 2009523), (122, 1482435), (135, 1339682), (139, 1301130), (158, 1144665), (183, 988290), (237, 763110), (270, 669841), (278, 650565), (305, 592974), (366, 494145), (395, 457866), (417, 433710), (474, 381555), (549, 329430), (610, 296487), (695, 260226), (711, 254370), (790, 228933), (834, 216855), (915, 197658), (1098, 164715), (1185, 152622), (1251, 144570), (1390, 130113), (1422, 127185), (1647, 109810), (1830, 98829), (2085, 86742), (2133, 84790), (2370, 76311), (2502, 72285), (2745, 65886), (3294, 54905), (3555, 50874), (3753, 48190), (4170, 43371), (4266, 42395), (4819, 37530), (5490, 32943), (6255, 28914), (7110, 25437), (7506, 24095), (8235, 21962), (8479, 21330), (9638, 18765), (10665, 16958), (10981, 16470), (12510, 14457)]