68641440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 192

約数和(自身を含む): 255467520

約数和(自身を除く): 186826080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 659, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1318, 1488, 1680, 1736, 1860, 1977, 2170, 2480, 2604, 2636, 2976, 3255, 3295, 3360, 3472, 3720, 3954, 4340, 4613, 4960, 5208, 5272, 6510, 6590, 6944, 7440, 7908, 8680, 9226, 9885, 10416, 10544, 13020, 13180, 13839, 14880, 15816, 17360, 18452, 19770, 20429, 20832, 21088, 23065, 26040, 26360, 27678, 31632, 34720, 36904, 39540, 40858, 46130, 52080, 52720, 55356, 61287, 63264, 69195, 73808, 79080, 81716, 92260, 102145, 104160, 105440, 110712, 122574, 138390, 143003, 147616, 158160, 163432, 184520, 204290, 221424, 245148, 276780, 286006, 306435, 316320, 326864, 369040, 408580, 429009, 442848, 490296, 553560, 572012, 612870, 653728, 715015, 738080, 817160, 858018, 980592, 1107120, 1144024, 1225740, 1430030, 1634320, 1716036, 1961184, 2145045, 2214240, 2288048, 2451480, 2860060, 3268640, 3432072, 4290090, 4576096, 4902960, 5720120, 6864144, 8580180, 9805920, 11440240, 13728288, 17160360, 22880480, 34320720, 68641440]

約数ペア:

[(1, 68641440), (2, 34320720), (3, 22880480), (4, 17160360), (5, 13728288), (6, 11440240), (7, 9805920), (8, 8580180), (10, 6864144), (12, 5720120), (14, 4902960), (15, 4576096), (16, 4290090), (20, 3432072), (21, 3268640), (24, 2860060), (28, 2451480), (30, 2288048), (31, 2214240), (32, 2145045), (35, 1961184), (40, 1716036), (42, 1634320), (48, 1430030), (56, 1225740), (60, 1144024), (62, 1107120), (70, 980592), (80, 858018), (84, 817160), (93, 738080), (96, 715015), (105, 653728), (112, 612870), (120, 572012), (124, 553560), (140, 490296), (155, 442848), (160, 429009), (168, 408580), (186, 369040), (210, 326864), (217, 316320), (224, 306435), (240, 286006), (248, 276780), (280, 245148), (310, 221424), (336, 204290), (372, 184520), (420, 163432), (434, 158160), (465, 147616), (480, 143003), (496, 138390), (560, 122574), (620, 110712), (651, 105440), (659, 104160), (672, 102145), (744, 92260), (840, 81716), (868, 79080), (930, 73808), (992, 69195), (1085, 63264), (1120, 61287), (1240, 55356), (1302, 52720), (1318, 52080), (1488, 46130), (1680, 40858), (1736, 39540), (1860, 36904), (1977, 34720), (2170, 31632), (2480, 27678), (2604, 26360), (2636, 26040), (2976, 23065), (3255, 21088), (3295, 20832), (3360, 20429), (3472, 19770), (3720, 18452), (3954, 17360), (4340, 15816), (4613, 14880), (4960, 13839), (5208, 13180), (5272, 13020), (6510, 10544), (6590, 10416), (6944, 9885), (7440, 9226), (7908, 8680)]