28292880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1531}}^1$

素因数の和:1565

約数の個数: 160

約数和(自身を含む): 109421568

約数和(自身を除く): 81128688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1155, 1232, 1320, 1531, 1540, 1680, 1848, 2310, 2640, 3062, 3080, 3696, 4593, 4620, 6124, 6160, 7655, 9186, 9240, 10717, 12248, 15310, 16841, 18372, 18480, 21434, 22965, 24496, 30620, 32151, 33682, 36744, 42868, 45930, 50523, 53585, 61240, 64302, 67364, 73488, 84205, 85736, 91860, 101046, 107170, 117887, 122480, 128604, 134728, 160755, 168410, 171472, 183720, 202092, 214340, 235774, 252615, 257208, 269456, 321510, 336820, 353661, 367440, 404184, 428680, 471548, 505230, 514416, 589435, 643020, 673640, 707322, 808368, 857360, 943096, 1010460, 1178870, 1286040, 1347280, 1414644, 1768305, 1886192, 2020920, 2357740, 2572080, 2829288, 3536610, 4041840, 4715480, 5658576, 7073220, 9430960, 14146440, 28292880]

約数ペア:

[(1, 28292880), (2, 14146440), (3, 9430960), (4, 7073220), (5, 5658576), (6, 4715480), (7, 4041840), (8, 3536610), (10, 2829288), (11, 2572080), (12, 2357740), (14, 2020920), (15, 1886192), (16, 1768305), (20, 1414644), (21, 1347280), (22, 1286040), (24, 1178870), (28, 1010460), (30, 943096), (33, 857360), (35, 808368), (40, 707322), (42, 673640), (44, 643020), (48, 589435), (55, 514416), (56, 505230), (60, 471548), (66, 428680), (70, 404184), (77, 367440), (80, 353661), (84, 336820), (88, 321510), (105, 269456), (110, 257208), (112, 252615), (120, 235774), (132, 214340), (140, 202092), (154, 183720), (165, 171472), (168, 168410), (176, 160755), (210, 134728), (220, 128604), (231, 122480), (240, 117887), (264, 107170), (280, 101046), (308, 91860), (330, 85736), (336, 84205), (385, 73488), (420, 67364), (440, 64302), (462, 61240), (528, 53585), (560, 50523), (616, 45930), (660, 42868), (770, 36744), (840, 33682), (880, 32151), (924, 30620), (1155, 24496), (1232, 22965), (1320, 21434), (1531, 18480), (1540, 18372), (1680, 16841), (1848, 15310), (2310, 12248), (2640, 10717), (3062, 9240), (3080, 9186), (3696, 7655), (4593, 6160), (4620, 6124)]