16871940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1399}}^1$

素因数の和:1481

約数の個数: 72

約数和(自身を含む): 51979200

約数和(自身を除く): 35107260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 1399, 2010, 2412, 2798, 3015, 4020, 4197, 5596, 6030, 6995, 8394, 12060, 12591, 13990, 16788, 20985, 25182, 27980, 41970, 50364, 62955, 83940, 93733, 125910, 187466, 251820, 281199, 374932, 468665, 562398, 843597, 937330, 1124796, 1405995, 1687194, 1874660, 2811990, 3374388, 4217985, 5623980, 8435970, 16871940]

約数ペア:

[(1, 16871940), (2, 8435970), (3, 5623980), (4, 4217985), (5, 3374388), (6, 2811990), (9, 1874660), (10, 1687194), (12, 1405995), (15, 1124796), (18, 937330), (20, 843597), (30, 562398), (36, 468665), (45, 374932), (60, 281199), (67, 251820), (90, 187466), (134, 125910), (180, 93733), (201, 83940), (268, 62955), (335, 50364), (402, 41970), (603, 27980), (670, 25182), (804, 20985), (1005, 16788), (1206, 13990), (1340, 12591), (1399, 12060), (2010, 8394), (2412, 6995), (2798, 6030), (3015, 5596), (4020, 4197)]