78478560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54499}}^1$

素因数の和:54520

約数の個数: 72

約数和(自身を含む): 267813000

約数和(自身を除く): 189334440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54499, 108998, 163497, 217996, 272495, 326994, 435992, 490491, 544990, 653988, 817485, 871984, 980982, 1089980, 1307976, 1634970, 1743968, 1961964, 2179960, 2452455, 2615952, 3269940, 3923928, 4359920, 4904910, 5231904, 6539880, 7847856, 8719840, 9809820, 13079760, 15695712, 19619640, 26159520, 39239280, 78478560]

約数ペア:

[(1, 78478560), (2, 39239280), (3, 26159520), (4, 19619640), (5, 15695712), (6, 13079760), (8, 9809820), (9, 8719840), (10, 7847856), (12, 6539880), (15, 5231904), (16, 4904910), (18, 4359920), (20, 3923928), (24, 3269940), (30, 2615952), (32, 2452455), (36, 2179960), (40, 1961964), (45, 1743968), (48, 1634970), (60, 1307976), (72, 1089980), (80, 980982), (90, 871984), (96, 817485), (120, 653988), (144, 544990), (160, 490491), (180, 435992), (240, 326994), (288, 272495), (360, 217996), (480, 163497), (720, 108998), (1440, 54499)]