180220768

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 440294400

約数和(自身を除く): 260073632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 199, 208, 224, 311, 364, 398, 416, 622, 728, 796, 1244, 1393, 1456, 1592, 2177, 2488, 2587, 2786, 2912, 3184, 4043, 4354, 4976, 5174, 5572, 6368, 8086, 8708, 9952, 10348, 11144, 16172, 17416, 18109, 20696, 22288, 28301, 32344, 34832, 36218, 41392, 44576, 56602, 61889, 64688, 69664, 72436, 82784, 113204, 123778, 129376, 144872, 226408, 247556, 289744, 433223, 452816, 495112, 579488, 804557, 866446, 905632, 990224, 1609114, 1732892, 1980448, 3218228, 3465784, 5631899, 6436456, 6931568, 11263798, 12872912, 13863136, 22527596, 25745824, 45055192, 90110384, 180220768]

約数ペア:

[(1, 180220768), (2, 90110384), (4, 45055192), (7, 25745824), (8, 22527596), (13, 13863136), (14, 12872912), (16, 11263798), (26, 6931568), (28, 6436456), (32, 5631899), (52, 3465784), (56, 3218228), (91, 1980448), (104, 1732892), (112, 1609114), (182, 990224), (199, 905632), (208, 866446), (224, 804557), (311, 579488), (364, 495112), (398, 452816), (416, 433223), (622, 289744), (728, 247556), (796, 226408), (1244, 144872), (1393, 129376), (1456, 123778), (1592, 113204), (2177, 82784), (2488, 72436), (2587, 69664), (2786, 64688), (2912, 61889), (3184, 56602), (4043, 44576), (4354, 41392), (4976, 36218), (5174, 34832), (5572, 32344), (6368, 28301), (8086, 22288), (8708, 20696), (9952, 18109), (10348, 17416), (11144, 16172)]