81515476080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1855999}}^1$

素因数の和:1856079

約数の個数: 120

約数和(自身を含む): 278244096000

約数和(自身を除く): 196728619920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 21960, 43920, 1855999, 3711998, 5567997, 7423996, 9279995, 11135994, 14847992, 16703991, 18559990, 22271988, 27839985, 29695984, 33407982, 37119980, 44543976, 55679970, 66815964, 74239960, 83519955, 89087952, 111359940, 113215939, 133631928, 148479920, 167039910, 222719880, 226431878, 267263856, 334079820, 339647817, 445439760, 452863756, 566079695, 668159640, 679295634, 905727512, 1018943451, 1132159390, 1336319280, 1358591268, 1698239085, 1811455024, 2037886902, 2264318780, 2717182536, 3396478170, 4075773804, 4528637560, 5094717255, 5434365072, 6792956340, 8151547608, 9057275120, 10189434510, 13585912680, 16303095216, 20378869020, 27171825360, 40757738040, 81515476080]

約数ペア:

[(1, 81515476080), (2, 40757738040), (3, 27171825360), (4, 20378869020), (5, 16303095216), (6, 13585912680), (8, 10189434510), (9, 9057275120), (10, 8151547608), (12, 6792956340), (15, 5434365072), (16, 5094717255), (18, 4528637560), (20, 4075773804), (24, 3396478170), (30, 2717182536), (36, 2264318780), (40, 2037886902), (45, 1811455024), (48, 1698239085), (60, 1358591268), (61, 1336319280), (72, 1132159390), (80, 1018943451), (90, 905727512), (120, 679295634), (122, 668159640), (144, 566079695), (180, 452863756), (183, 445439760), (240, 339647817), (244, 334079820), (305, 267263856), (360, 226431878), (366, 222719880), (488, 167039910), (549, 148479920), (610, 133631928), (720, 113215939), (732, 111359940), (915, 89087952), (976, 83519955), (1098, 74239960), (1220, 66815964), (1464, 55679970), (1830, 44543976), (2196, 37119980), (2440, 33407982), (2745, 29695984), (2928, 27839985), (3660, 22271988), (4392, 18559990), (4880, 16703991), (5490, 14847992), (7320, 11135994), (8784, 9279995), (10980, 7423996), (14640, 5567997), (21960, 3711998), (43920, 1855999)]