1439820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 4608240

約数和(自身を除く): 3168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 421, 570, 684, 842, 855, 1140, 1263, 1684, 1710, 2105, 2526, 3420, 3789, 4210, 5052, 6315, 7578, 7999, 8420, 12630, 15156, 15998, 18945, 23997, 25260, 31996, 37890, 39995, 47994, 71991, 75780, 79990, 95988, 119985, 143982, 159980, 239970, 287964, 359955, 479940, 719910, 1439820]

約数ペア:

[(1, 1439820), (2, 719910), (3, 479940), (4, 359955), (5, 287964), (6, 239970), (9, 159980), (10, 143982), (12, 119985), (15, 95988), (18, 79990), (19, 75780), (20, 71991), (30, 47994), (36, 39995), (38, 37890), (45, 31996), (57, 25260), (60, 23997), (76, 18945), (90, 15998), (95, 15156), (114, 12630), (171, 8420), (180, 7999), (190, 7578), (228, 6315), (285, 5052), (342, 4210), (380, 3789), (421, 3420), (570, 2526), (684, 2105), (842, 1710), (855, 1684), (1140, 1263)]