28816480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2339}}^1$

素因数の和:2372

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 56097440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 352, 385, 440, 560, 616, 770, 880, 1120, 1232, 1540, 1760, 2339, 2464, 3080, 4678, 6160, 9356, 11695, 12320, 16373, 18712, 23390, 25729, 32746, 37424, 46780, 51458, 65492, 74848, 81865, 93560, 102916, 128645, 130984, 163730, 180103, 187120, 205832, 257290, 261968, 327460, 360206, 374240, 411664, 514580, 523936, 654920, 720412, 823328, 900515, 1029160, 1309840, 1440824, 1801030, 2058320, 2619680, 2881648, 3602060, 4116640, 5763296, 7204120, 14408240, 28816480]

約数ペア:

[(1, 28816480), (2, 14408240), (4, 7204120), (5, 5763296), (7, 4116640), (8, 3602060), (10, 2881648), (11, 2619680), (14, 2058320), (16, 1801030), (20, 1440824), (22, 1309840), (28, 1029160), (32, 900515), (35, 823328), (40, 720412), (44, 654920), (55, 523936), (56, 514580), (70, 411664), (77, 374240), (80, 360206), (88, 327460), (110, 261968), (112, 257290), (140, 205832), (154, 187120), (160, 180103), (176, 163730), (220, 130984), (224, 128645), (280, 102916), (308, 93560), (352, 81865), (385, 74848), (440, 65492), (560, 51458), (616, 46780), (770, 37424), (880, 32746), (1120, 25729), (1232, 23390), (1540, 18712), (1760, 16373), (2339, 12320), (2464, 11695), (3080, 9356), (4678, 6160)]