25740540

素因数分解:

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

素因数の和:712

約数の個数: 144

約数和(自身を含む): 92252160

約数和(自身を除く): 66511620

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, 659, 868, 930, 1085, 1116, 1260, 1302, 1318, 1395, 1860, 1953, 1977, 2170, 2604, 2636, 2790, 3255, 3295, 3906, 3954, 4340, 4613, 5580, 5931, 6510, 6590, 7812, 7908, 9226, 9765, 9885, 11862, 13020, 13180, 13839, 18452, 19530, 19770, 20429, 23065, 23724, 27678, 29655, 39060, 39540, 40858, 41517, 46130, 55356, 59310, 61287, 69195, 81716, 83034, 92260, 102145, 118620, 122574, 138390, 143003, 166068, 183861, 204290, 207585, 245148, 276780, 286006, 306435, 367722, 408580, 415170, 429009, 572012, 612870, 715015, 735444, 830340, 858018, 919305, 1225740, 1287027, 1430030, 1716036, 1838610, 2145045, 2574054, 2860060, 3677220, 4290090, 5148108, 6435135, 8580180, 12870270, 25740540]

約数ペア:

[(1, 25740540), (2, 12870270), (3, 8580180), (4, 6435135), (5, 5148108), (6, 4290090), (7, 3677220), (9, 2860060), (10, 2574054), (12, 2145045), (14, 1838610), (15, 1716036), (18, 1430030), (20, 1287027), (21, 1225740), (28, 919305), (30, 858018), (31, 830340), (35, 735444), (36, 715015), (42, 612870), (45, 572012), (60, 429009), (62, 415170), (63, 408580), (70, 367722), (84, 306435), (90, 286006), (93, 276780), (105, 245148), (124, 207585), (126, 204290), (140, 183861), (155, 166068), (180, 143003), (186, 138390), (210, 122574), (217, 118620), (252, 102145), (279, 92260), (310, 83034), (315, 81716), (372, 69195), (420, 61287), (434, 59310), (465, 55356), (558, 46130), (620, 41517), (630, 40858), (651, 39540), (659, 39060), (868, 29655), (930, 27678), (1085, 23724), (1116, 23065), (1260, 20429), (1302, 19770), (1318, 19530), (1395, 18452), (1860, 13839), (1953, 13180), (1977, 13020), (2170, 11862), (2604, 9885), (2636, 9765), (2790, 9226), (3255, 7908), (3295, 7812), (3906, 6590), (3954, 6510), (4340, 5931), (4613, 5580)]