28997280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1583

約数の個数: 144

約数和(自身を含む): 106633800

約数和(自身を除く): 77636520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1549, 1560, 1872, 2080, 2340, 3098, 3120, 3744, 4647, 4680, 6196, 6240, 7745, 9294, 9360, 12392, 13941, 15490, 18588, 18720, 20137, 23235, 24784, 27882, 30980, 37176, 40274, 46470, 49568, 55764, 60411, 61960, 69705, 74352, 80548, 92940, 100685, 111528, 120822, 123920, 139410, 148704, 161096, 181233, 185880, 201370, 223056, 241644, 247840, 278820, 302055, 322192, 362466, 371760, 402740, 446112, 483288, 557640, 604110, 644384, 724932, 743520, 805480, 906165, 966576, 1115280, 1208220, 1449864, 1610960, 1812330, 1933152, 2230560, 2416440, 2899728, 3221920, 3624660, 4832880, 5799456, 7249320, 9665760, 14498640, 28997280]

約数ペア:

[(1, 28997280), (2, 14498640), (3, 9665760), (4, 7249320), (5, 5799456), (6, 4832880), (8, 3624660), (9, 3221920), (10, 2899728), (12, 2416440), (13, 2230560), (15, 1933152), (16, 1812330), (18, 1610960), (20, 1449864), (24, 1208220), (26, 1115280), (30, 966576), (32, 906165), (36, 805480), (39, 743520), (40, 724932), (45, 644384), (48, 604110), (52, 557640), (60, 483288), (65, 446112), (72, 402740), (78, 371760), (80, 362466), (90, 322192), (96, 302055), (104, 278820), (117, 247840), (120, 241644), (130, 223056), (144, 201370), (156, 185880), (160, 181233), (180, 161096), (195, 148704), (208, 139410), (234, 123920), (240, 120822), (260, 111528), (288, 100685), (312, 92940), (360, 80548), (390, 74352), (416, 69705), (468, 61960), (480, 60411), (520, 55764), (585, 49568), (624, 46470), (720, 40274), (780, 37176), (936, 30980), (1040, 27882), (1170, 24784), (1248, 23235), (1440, 20137), (1549, 18720), (1560, 18588), (1872, 15490), (2080, 13941), (2340, 12392), (3098, 9360), (3120, 9294), (3744, 7745), (4647, 6240), (4680, 6196)]