51839280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71999}}^1$

素因数の和:72018

約数の個数: 60

約数和(自身を含む): 174096000

約数和(自身を除く): 122256720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 71999, 143998, 215997, 287996, 359995, 431994, 575992, 647991, 719990, 863988, 1079985, 1151984, 1295982, 1439980, 1727976, 2159970, 2591964, 2879960, 3239955, 3455952, 4319940, 5183928, 5759920, 6479910, 8639880, 10367856, 12959820, 17279760, 25919640, 51839280]

約数ペア:

[(1, 51839280), (2, 25919640), (3, 17279760), (4, 12959820), (5, 10367856), (6, 8639880), (8, 6479910), (9, 5759920), (10, 5183928), (12, 4319940), (15, 3455952), (16, 3239955), (18, 2879960), (20, 2591964), (24, 2159970), (30, 1727976), (36, 1439980), (40, 1295982), (45, 1151984), (48, 1079985), (60, 863988), (72, 719990), (80, 647991), (90, 575992), (120, 431994), (144, 359995), (180, 287996), (240, 215997), (360, 143998), (720, 71999)]