164077920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2042

約数の個数: 192

約数和(自身を含む): 604800000

約数和(自身を除く): 440722080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 480, 513, 540, 570, 608, 684, 720, 760, 855, 864, 912, 1026, 1080, 1140, 1368, 1440, 1520, 1710, 1824, 1999, 2052, 2160, 2280, 2565, 2736, 3040, 3420, 3998, 4104, 4320, 4560, 5130, 5472, 5997, 6840, 7996, 8208, 9120, 9995, 10260, 11994, 13680, 15992, 16416, 17991, 19990, 20520, 23988, 27360, 29985, 31984, 35982, 37981, 39980, 41040, 47976, 53973, 59970, 63968, 71964, 75962, 79960, 82080, 89955, 95952, 107946, 113943, 119940, 143928, 151924, 159920, 179910, 189905, 191904, 215892, 227886, 239880, 269865, 287856, 303848, 319840, 341829, 359820, 379810, 431784, 455772, 479760, 539730, 569715, 575712, 607696, 683658, 719640, 759620, 863568, 911544, 959520, 1025487, 1079460, 1139430, 1215392, 1367316, 1439280, 1519240, 1709145, 1727136, 1823088, 2050974, 2158920, 2278860, 2734632, 2878560, 3038480, 3418290, 3646176, 4101948, 4317840, 4557720, 5127435, 5469264, 6076960, 6836580, 8203896, 8635680, 9115440, 10254870, 10938528, 13673160, 16407792, 18230880, 20509740, 27346320, 32815584, 41019480, 54692640, 82038960, 164077920]

約数ペア:

[(1, 164077920), (2, 82038960), (3, 54692640), (4, 41019480), (5, 32815584), (6, 27346320), (8, 20509740), (9, 18230880), (10, 16407792), (12, 13673160), (15, 10938528), (16, 10254870), (18, 9115440), (19, 8635680), (20, 8203896), (24, 6836580), (27, 6076960), (30, 5469264), (32, 5127435), (36, 4557720), (38, 4317840), (40, 4101948), (45, 3646176), (48, 3418290), (54, 3038480), (57, 2878560), (60, 2734632), (72, 2278860), (76, 2158920), (80, 2050974), (90, 1823088), (95, 1727136), (96, 1709145), (108, 1519240), (114, 1439280), (120, 1367316), (135, 1215392), (144, 1139430), (152, 1079460), (160, 1025487), (171, 959520), (180, 911544), (190, 863568), (216, 759620), (228, 719640), (240, 683658), (270, 607696), (285, 575712), (288, 569715), (304, 539730), (342, 479760), (360, 455772), (380, 431784), (432, 379810), (456, 359820), (480, 341829), (513, 319840), (540, 303848), (570, 287856), (608, 269865), (684, 239880), (720, 227886), (760, 215892), (855, 191904), (864, 189905), (912, 179910), (1026, 159920), (1080, 151924), (1140, 143928), (1368, 119940), (1440, 113943), (1520, 107946), (1710, 95952), (1824, 89955), (1999, 82080), (2052, 79960), (2160, 75962), (2280, 71964), (2565, 63968), (2736, 59970), (3040, 53973), (3420, 47976), (3998, 41040), (4104, 39980), (4320, 37981), (4560, 35982), (5130, 31984), (5472, 29985), (5997, 27360), (6840, 23988), (7996, 20520), (8208, 19990), (9120, 17991), (9995, 16416), (10260, 15992), (11994, 13680)]