64917720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:335

約数の個数: 256

約数和(自身を含む): 256204800

約数和(自身を除く): 191287080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 277, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 554, 558, 620, 630, 651, 744, 756, 831, 837, 840, 868, 930, 945, 1080, 1085, 1108, 1116, 1240, 1260, 1302, 1385, 1395, 1512, 1662, 1674, 1736, 1860, 1890, 1939, 1953, 2170, 2216, 2232, 2493, 2520, 2604, 2770, 2790, 3255, 3324, 3348, 3720, 3780, 3878, 3906, 4155, 4185, 4340, 4986, 5208, 5540, 5580, 5817, 5859, 6510, 6648, 6696, 7479, 7560, 7756, 7812, 8310, 8370, 8587, 8680, 9695, 9765, 9972, 11080, 11160, 11634, 11718, 12465, 13020, 14958, 15512, 15624, 16620, 16740, 17174, 17451, 19390, 19530, 19944, 23268, 23436, 24930, 25761, 26040, 29085, 29295, 29916, 33240, 33480, 34348, 34902, 37395, 38780, 39060, 42935, 46536, 46872, 49860, 51522, 52353, 58170, 58590, 59832, 60109, 68696, 69804, 74790, 77283, 77560, 78120, 85870, 87255, 99720, 103044, 104706, 116340, 117180, 120218, 128805, 139608, 149580, 154566, 171740, 174510, 180327, 206088, 209412, 231849, 232680, 234360, 240436, 257610, 261765, 299160, 300545, 309132, 343480, 349020, 360654, 386415, 418824, 463698, 480872, 515220, 523530, 540981, 601090, 618264, 698040, 721308, 772830, 901635, 927396, 1030440, 1047060, 1081962, 1159245, 1202180, 1442616, 1545660, 1622943, 1803270, 1854792, 2094120, 2163924, 2318490, 2404360, 2704905, 3091320, 3245886, 3606540, 4327848, 4636980, 5409810, 6491772, 7213080, 8114715, 9273960, 10819620, 12983544, 16229430, 21639240, 32458860, 64917720]

約数ペア:

[(1, 64917720), (2, 32458860), (3, 21639240), (4, 16229430), (5, 12983544), (6, 10819620), (7, 9273960), (8, 8114715), (9, 7213080), (10, 6491772), (12, 5409810), (14, 4636980), (15, 4327848), (18, 3606540), (20, 3245886), (21, 3091320), (24, 2704905), (27, 2404360), (28, 2318490), (30, 2163924), (31, 2094120), (35, 1854792), (36, 1803270), (40, 1622943), (42, 1545660), (45, 1442616), (54, 1202180), (56, 1159245), (60, 1081962), (62, 1047060), (63, 1030440), (70, 927396), (72, 901635), (84, 772830), (90, 721308), (93, 698040), (105, 618264), (108, 601090), (120, 540981), (124, 523530), (126, 515220), (135, 480872), (140, 463698), (155, 418824), (168, 386415), (180, 360654), (186, 349020), (189, 343480), (210, 309132), (216, 300545), (217, 299160), (248, 261765), (252, 257610), (270, 240436), (277, 234360), (279, 232680), (280, 231849), (310, 209412), (315, 206088), (360, 180327), (372, 174510), (378, 171740), (420, 154566), (434, 149580), (465, 139608), (504, 128805), (540, 120218), (554, 117180), (558, 116340), (620, 104706), (630, 103044), (651, 99720), (744, 87255), (756, 85870), (831, 78120), (837, 77560), (840, 77283), (868, 74790), (930, 69804), (945, 68696), (1080, 60109), (1085, 59832), (1108, 58590), (1116, 58170), (1240, 52353), (1260, 51522), (1302, 49860), (1385, 46872), (1395, 46536), (1512, 42935), (1662, 39060), (1674, 38780), (1736, 37395), (1860, 34902), (1890, 34348), (1939, 33480), (1953, 33240), (2170, 29916), (2216, 29295), (2232, 29085), (2493, 26040), (2520, 25761), (2604, 24930), (2770, 23436), (2790, 23268), (3255, 19944), (3324, 19530), (3348, 19390), (3720, 17451), (3780, 17174), (3878, 16740), (3906, 16620), (4155, 15624), (4185, 15512), (4340, 14958), (4986, 13020), (5208, 12465), (5540, 11718), (5580, 11634), (5817, 11160), (5859, 11080), (6510, 9972), (6648, 9765), (6696, 9695), (7479, 8680), (7560, 8587), (7756, 8370), (7812, 8310)]