205168080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3509

約数の個数: 160

約数和(自身を含む): 721203840

約数和(自身を除く): 516035760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3461, 3705, 3952, 4560, 4940, 5928, 6922, 7410, 9880, 10383, 11856, 13844, 14820, 17305, 19760, 20766, 27688, 29640, 34610, 41532, 44993, 51915, 55376, 59280, 65759, 69220, 83064, 89986, 103830, 131518, 134979, 138440, 166128, 179972, 197277, 207660, 224965, 263036, 269958, 276880, 328795, 359944, 394554, 415320, 449930, 526072, 539916, 657590, 674895, 719888, 789108, 830640, 854867, 899860, 986385, 1052144, 1079832, 1315180, 1349790, 1578216, 1709734, 1799720, 1972770, 2159664, 2564601, 2630360, 2699580, 3156432, 3419468, 3599440, 3945540, 4274335, 5129202, 5260720, 5399160, 6838936, 7891080, 8548670, 10258404, 10798320, 12823005, 13677872, 15782160, 17097340, 20516808, 25646010, 34194680, 41033616, 51292020, 68389360, 102584040, 205168080]

約数ペア:

[(1, 205168080), (2, 102584040), (3, 68389360), (4, 51292020), (5, 41033616), (6, 34194680), (8, 25646010), (10, 20516808), (12, 17097340), (13, 15782160), (15, 13677872), (16, 12823005), (19, 10798320), (20, 10258404), (24, 8548670), (26, 7891080), (30, 6838936), (38, 5399160), (39, 5260720), (40, 5129202), (48, 4274335), (52, 3945540), (57, 3599440), (60, 3419468), (65, 3156432), (76, 2699580), (78, 2630360), (80, 2564601), (95, 2159664), (104, 1972770), (114, 1799720), (120, 1709734), (130, 1578216), (152, 1349790), (156, 1315180), (190, 1079832), (195, 1052144), (208, 986385), (228, 899860), (240, 854867), (247, 830640), (260, 789108), (285, 719888), (304, 674895), (312, 657590), (380, 539916), (390, 526072), (456, 449930), (494, 415320), (520, 394554), (570, 359944), (624, 328795), (741, 276880), (760, 269958), (780, 263036), (912, 224965), (988, 207660), (1040, 197277), (1140, 179972), (1235, 166128), (1482, 138440), (1520, 134979), (1560, 131518), (1976, 103830), (2280, 89986), (2470, 83064), (2964, 69220), (3120, 65759), (3461, 59280), (3705, 55376), (3952, 51915), (4560, 44993), (4940, 41532), (5928, 34610), (6922, 29640), (7410, 27688), (9880, 20766), (10383, 19760), (11856, 17305), (13844, 14820)]