77506520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 140221480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 107, 130, 140, 182, 199, 214, 260, 280, 364, 398, 428, 455, 520, 535, 728, 749, 796, 856, 910, 995, 1070, 1391, 1393, 1498, 1592, 1820, 1990, 2140, 2587, 2782, 2786, 2996, 3640, 3745, 3980, 4280, 5174, 5564, 5572, 5992, 6955, 6965, 7490, 7960, 9737, 10348, 11128, 11144, 12935, 13910, 13930, 14980, 18109, 19474, 20696, 21293, 25870, 27820, 27860, 29960, 36218, 38948, 42586, 48685, 51740, 55640, 55720, 72436, 77896, 85172, 90545, 97370, 103480, 106465, 144872, 149051, 170344, 181090, 194740, 212930, 276809, 298102, 362180, 389480, 425860, 553618, 596204, 724360, 745255, 851720, 1107236, 1192408, 1384045, 1490510, 1937663, 2214472, 2768090, 2981020, 3875326, 5536180, 5962040, 7750652, 9688315, 11072360, 15501304, 19376630, 38753260, 77506520]

約数ペア:

[(1, 77506520), (2, 38753260), (4, 19376630), (5, 15501304), (7, 11072360), (8, 9688315), (10, 7750652), (13, 5962040), (14, 5536180), (20, 3875326), (26, 2981020), (28, 2768090), (35, 2214472), (40, 1937663), (52, 1490510), (56, 1384045), (65, 1192408), (70, 1107236), (91, 851720), (104, 745255), (107, 724360), (130, 596204), (140, 553618), (182, 425860), (199, 389480), (214, 362180), (260, 298102), (280, 276809), (364, 212930), (398, 194740), (428, 181090), (455, 170344), (520, 149051), (535, 144872), (728, 106465), (749, 103480), (796, 97370), (856, 90545), (910, 85172), (995, 77896), (1070, 72436), (1391, 55720), (1393, 55640), (1498, 51740), (1592, 48685), (1820, 42586), (1990, 38948), (2140, 36218), (2587, 29960), (2782, 27860), (2786, 27820), (2996, 25870), (3640, 21293), (3745, 20696), (3980, 19474), (4280, 18109), (5174, 14980), (5564, 13930), (5572, 13910), (5992, 12935), (6955, 11144), (6965, 11128), (7490, 10348), (7960, 9737)]