61529220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 120

約数和(自身を含む): 203280000

約数和(自身を除く): 141750780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 1999, 2052, 2565, 3078, 3420, 3998, 5130, 5997, 6156, 7695, 7996, 9995, 10260, 11994, 15390, 17991, 19990, 23988, 29985, 30780, 35982, 37981, 39980, 53973, 59970, 71964, 75962, 89955, 107946, 113943, 119940, 151924, 161919, 179910, 189905, 215892, 227886, 269865, 323838, 341829, 359820, 379810, 455772, 539730, 569715, 647676, 683658, 759620, 809595, 1025487, 1079460, 1139430, 1367316, 1619190, 1709145, 2050974, 2278860, 3076461, 3238380, 3418290, 4101948, 5127435, 6152922, 6836580, 10254870, 12305844, 15382305, 20509740, 30764610, 61529220]

約数ペア:

[(1, 61529220), (2, 30764610), (3, 20509740), (4, 15382305), (5, 12305844), (6, 10254870), (9, 6836580), (10, 6152922), (12, 5127435), (15, 4101948), (18, 3418290), (19, 3238380), (20, 3076461), (27, 2278860), (30, 2050974), (36, 1709145), (38, 1619190), (45, 1367316), (54, 1139430), (57, 1079460), (60, 1025487), (76, 809595), (81, 759620), (90, 683658), (95, 647676), (108, 569715), (114, 539730), (135, 455772), (162, 379810), (171, 359820), (180, 341829), (190, 323838), (228, 269865), (270, 227886), (285, 215892), (324, 189905), (342, 179910), (380, 161919), (405, 151924), (513, 119940), (540, 113943), (570, 107946), (684, 89955), (810, 75962), (855, 71964), (1026, 59970), (1140, 53973), (1539, 39980), (1620, 37981), (1710, 35982), (1999, 30780), (2052, 29985), (2565, 23988), (3078, 19990), (3420, 17991), (3998, 15390), (5130, 11994), (5997, 10260), (6156, 9995), (7695, 7996)]