28915920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1217}}^1$

素因数の和:1250

約数の個数: 160

約数和(自身を含む): 108743040

約数和(自身を除く): 79827120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 880, 990, 1080, 1188, 1217, 1320, 1485, 1584, 1980, 2160, 2376, 2434, 2640, 2970, 3651, 3960, 4752, 4868, 5940, 6085, 7302, 7920, 9736, 10953, 11880, 12170, 13387, 14604, 18255, 19472, 21906, 23760, 24340, 26774, 29208, 32859, 36510, 40161, 43812, 48680, 53548, 54765, 58416, 65718, 66935, 73020, 80322, 87624, 97360, 107096, 109530, 120483, 131436, 133870, 146040, 160644, 164295, 175248, 200805, 214192, 219060, 240966, 262872, 267740, 292080, 321288, 328590, 361449, 401610, 438120, 481932, 525744, 535480, 602415, 642576, 657180, 722898, 803220, 876240, 963864, 1070960, 1204830, 1314360, 1445796, 1606440, 1807245, 1927728, 2409660, 2628720, 2891592, 3212880, 3614490, 4819320, 5783184, 7228980, 9638640, 14457960, 28915920]

約数ペア:

[(1, 28915920), (2, 14457960), (3, 9638640), (4, 7228980), (5, 5783184), (6, 4819320), (8, 3614490), (9, 3212880), (10, 2891592), (11, 2628720), (12, 2409660), (15, 1927728), (16, 1807245), (18, 1606440), (20, 1445796), (22, 1314360), (24, 1204830), (27, 1070960), (30, 963864), (33, 876240), (36, 803220), (40, 722898), (44, 657180), (45, 642576), (48, 602415), (54, 535480), (55, 525744), (60, 481932), (66, 438120), (72, 401610), (80, 361449), (88, 328590), (90, 321288), (99, 292080), (108, 267740), (110, 262872), (120, 240966), (132, 219060), (135, 214192), (144, 200805), (165, 175248), (176, 164295), (180, 160644), (198, 146040), (216, 133870), (220, 131436), (240, 120483), (264, 109530), (270, 107096), (297, 97360), (330, 87624), (360, 80322), (396, 73020), (432, 66935), (440, 65718), (495, 58416), (528, 54765), (540, 53548), (594, 48680), (660, 43812), (720, 40161), (792, 36510), (880, 32859), (990, 29208), (1080, 26774), (1188, 24340), (1217, 23760), (1320, 21906), (1485, 19472), (1584, 18255), (1980, 14604), (2160, 13387), (2376, 12170), (2434, 11880), (2640, 10953), (2970, 9736), (3651, 7920), (3960, 7302), (4752, 6085), (4868, 5940)]