155517840

素因数分解:

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

素因数の和:72021

約数の個数: 80

約数和(自身を含む): 535680000

約数和(自身を除く): 380162160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 71999, 143998, 215997, 287996, 359995, 431994, 575992, 647991, 719990, 863988, 1079985, 1151984, 1295982, 1439980, 1727976, 1943973, 2159970, 2591964, 2879960, 3239955, 3455952, 3887946, 4319940, 5183928, 5759920, 6479910, 7775892, 8639880, 9719865, 10367856, 12959820, 15551784, 17279760, 19439730, 25919640, 31103568, 38879460, 51839280, 77758920, 155517840]

約数ペア:

[(1, 155517840), (2, 77758920), (3, 51839280), (4, 38879460), (5, 31103568), (6, 25919640), (8, 19439730), (9, 17279760), (10, 15551784), (12, 12959820), (15, 10367856), (16, 9719865), (18, 8639880), (20, 7775892), (24, 6479910), (27, 5759920), (30, 5183928), (36, 4319940), (40, 3887946), (45, 3455952), (48, 3239955), (54, 2879960), (60, 2591964), (72, 2159970), (80, 1943973), (90, 1727976), (108, 1439980), (120, 1295982), (135, 1151984), (144, 1079985), (180, 863988), (216, 719990), (240, 647991), (270, 575992), (360, 431994), (432, 359995), (540, 287996), (720, 215997), (1080, 143998), (2160, 71999)]