178955680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 468024480

約数和(自身を除く): 289068800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 43, 74, 76, 80, 86, 95, 148, 152, 160, 172, 185, 190, 215, 296, 304, 344, 370, 380, 430, 592, 608, 688, 703, 740, 760, 817, 860, 1184, 1369, 1376, 1406, 1480, 1520, 1591, 1634, 1720, 2738, 2812, 2960, 3040, 3182, 3268, 3440, 3515, 4085, 5476, 5624, 5920, 6364, 6536, 6845, 6880, 7030, 7955, 8170, 10952, 11248, 12728, 13072, 13690, 14060, 15910, 16340, 21904, 22496, 25456, 26011, 26144, 27380, 28120, 30229, 31820, 32680, 43808, 50912, 52022, 54760, 56240, 58867, 60458, 63640, 65360, 104044, 109520, 112480, 117734, 120916, 127280, 130055, 130720, 151145, 208088, 219040, 235468, 241832, 254560, 260110, 294335, 302290, 416176, 470936, 483664, 520220, 588670, 604580, 832352, 941872, 967328, 1040440, 1118473, 1177340, 1209160, 1883744, 2080880, 2236946, 2354680, 2418320, 4161760, 4473892, 4709360, 4836640, 5592365, 8947784, 9418720, 11184730, 17895568, 22369460, 35791136, 44738920, 89477840, 178955680]

約数ペア:

[(1, 178955680), (2, 89477840), (4, 44738920), (5, 35791136), (8, 22369460), (10, 17895568), (16, 11184730), (19, 9418720), (20, 8947784), (32, 5592365), (37, 4836640), (38, 4709360), (40, 4473892), (43, 4161760), (74, 2418320), (76, 2354680), (80, 2236946), (86, 2080880), (95, 1883744), (148, 1209160), (152, 1177340), (160, 1118473), (172, 1040440), (185, 967328), (190, 941872), (215, 832352), (296, 604580), (304, 588670), (344, 520220), (370, 483664), (380, 470936), (430, 416176), (592, 302290), (608, 294335), (688, 260110), (703, 254560), (740, 241832), (760, 235468), (817, 219040), (860, 208088), (1184, 151145), (1369, 130720), (1376, 130055), (1406, 127280), (1480, 120916), (1520, 117734), (1591, 112480), (1634, 109520), (1720, 104044), (2738, 65360), (2812, 63640), (2960, 60458), (3040, 58867), (3182, 56240), (3268, 54760), (3440, 52022), (3515, 50912), (4085, 43808), (5476, 32680), (5624, 31820), (5920, 30229), (6364, 28120), (6536, 27380), (6845, 26144), (6880, 26011), (7030, 25456), (7955, 22496), (8170, 21904), (10952, 16340), (11248, 15910), (12728, 14060), (13072, 13690)]