28379120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 87422976

約数和(自身を除く): 59043856

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 220, 238, 271, 272, 280, 308, 340, 374, 385, 440, 476, 542, 560, 595, 616, 680, 748, 770, 880, 935, 952, 1084, 1190, 1232, 1309, 1355, 1360, 1496, 1540, 1870, 1897, 1904, 2168, 2380, 2618, 2710, 2981, 2992, 3080, 3740, 3794, 4336, 4607, 4760, 5236, 5420, 5962, 6160, 6545, 7480, 7588, 9214, 9485, 9520, 10472, 10840, 11924, 13090, 14905, 14960, 15176, 18428, 18970, 20867, 20944, 21680, 23035, 23848, 26180, 29810, 30352, 32249, 36856, 37940, 41734, 46070, 47696, 50677, 52360, 59620, 64498, 73712, 75880, 83468, 92140, 101354, 104335, 104720, 119240, 128996, 151760, 161245, 166936, 184280, 202708, 208670, 238480, 253385, 257992, 322490, 333872, 354739, 368560, 405416, 417340, 506770, 515984, 644980, 709478, 810832, 834680, 1013540, 1289960, 1418956, 1669360, 1773695, 2027080, 2579920, 2837912, 3547390, 4054160, 5675824, 7094780, 14189560, 28379120]

約数ペア:

[(1, 28379120), (2, 14189560), (4, 7094780), (5, 5675824), (7, 4054160), (8, 3547390), (10, 2837912), (11, 2579920), (14, 2027080), (16, 1773695), (17, 1669360), (20, 1418956), (22, 1289960), (28, 1013540), (34, 834680), (35, 810832), (40, 709478), (44, 644980), (55, 515984), (56, 506770), (68, 417340), (70, 405416), (77, 368560), (80, 354739), (85, 333872), (88, 322490), (110, 257992), (112, 253385), (119, 238480), (136, 208670), (140, 202708), (154, 184280), (170, 166936), (176, 161245), (187, 151760), (220, 128996), (238, 119240), (271, 104720), (272, 104335), (280, 101354), (308, 92140), (340, 83468), (374, 75880), (385, 73712), (440, 64498), (476, 59620), (542, 52360), (560, 50677), (595, 47696), (616, 46070), (680, 41734), (748, 37940), (770, 36856), (880, 32249), (935, 30352), (952, 29810), (1084, 26180), (1190, 23848), (1232, 23035), (1309, 21680), (1355, 20944), (1360, 20867), (1496, 18970), (1540, 18428), (1870, 15176), (1897, 14960), (1904, 14905), (2168, 13090), (2380, 11924), (2618, 10840), (2710, 10472), (2981, 9520), (2992, 9485), (3080, 9214), (3740, 7588), (3794, 7480), (4336, 6545), (4607, 6160), (4760, 5962), (5236, 5420)]