2399940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 7425600

約数和(自身を除く): 5025660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 199, 201, 268, 335, 398, 402, 597, 603, 670, 796, 804, 995, 1005, 1194, 1206, 1340, 1791, 1990, 2010, 2388, 2412, 2985, 3015, 3582, 3980, 4020, 5970, 6030, 7164, 8955, 11940, 12060, 13333, 17910, 26666, 35820, 39999, 53332, 66665, 79998, 119997, 133330, 159996, 199995, 239994, 266660, 399990, 479988, 599985, 799980, 1199970, 2399940]

約数ペア:

[(1, 2399940), (2, 1199970), (3, 799980), (4, 599985), (5, 479988), (6, 399990), (9, 266660), (10, 239994), (12, 199995), (15, 159996), (18, 133330), (20, 119997), (30, 79998), (36, 66665), (45, 53332), (60, 39999), (67, 35820), (90, 26666), (134, 17910), (180, 13333), (199, 12060), (201, 11940), (268, 8955), (335, 7164), (398, 6030), (402, 5970), (597, 4020), (603, 3980), (670, 3582), (796, 3015), (804, 2985), (995, 2412), (1005, 2388), (1194, 2010), (1206, 1990), (1340, 1791)]