198717240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71999}}^1$

素因数の和:72036

約数の個数: 64

約数和(自身を含む): 622080000

約数和(自身を除く): 423362760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 71999, 143998, 215997, 287996, 359995, 431994, 575992, 719990, 863988, 1079985, 1439980, 1655977, 1727976, 2159970, 2879960, 3311954, 4319940, 4967931, 6623908, 8279885, 8639880, 9935862, 13247816, 16559770, 19871724, 24839655, 33119540, 39743448, 49679310, 66239080, 99358620, 198717240]

約数ペア:

[(1, 198717240), (2, 99358620), (3, 66239080), (4, 49679310), (5, 39743448), (6, 33119540), (8, 24839655), (10, 19871724), (12, 16559770), (15, 13247816), (20, 9935862), (23, 8639880), (24, 8279885), (30, 6623908), (40, 4967931), (46, 4319940), (60, 3311954), (69, 2879960), (92, 2159970), (115, 1727976), (120, 1655977), (138, 1439980), (184, 1079985), (230, 863988), (276, 719990), (345, 575992), (460, 431994), (552, 359995), (690, 287996), (920, 215997), (1380, 143998), (2760, 71999)]