18077940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1499}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 55692000

約数和(自身を除く): 37614060

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, 1499, 2010, 2412, 2998, 3015, 4020, 4497, 5996, 6030, 7495, 8994, 12060, 13491, 14990, 17988, 22485, 26982, 29980, 44970, 53964, 67455, 89940, 100433, 134910, 200866, 269820, 301299, 401732, 502165, 602598, 903897, 1004330, 1205196, 1506495, 1807794, 2008660, 3012990, 3615588, 4519485, 6025980, 9038970, 18077940]

約数ペア:

[(1, 18077940), (2, 9038970), (3, 6025980), (4, 4519485), (5, 3615588), (6, 3012990), (9, 2008660), (10, 1807794), (12, 1506495), (15, 1205196), (18, 1004330), (20, 903897), (30, 602598), (36, 502165), (45, 401732), (60, 301299), (67, 269820), (90, 200866), (134, 134910), (180, 100433), (201, 89940), (268, 67455), (335, 53964), (402, 44970), (603, 29980), (670, 26982), (804, 22485), (1005, 17988), (1206, 14990), (1340, 13491), (1499, 12060), (2010, 8994), (2412, 7495), (2998, 6030), (3015, 5996), (4020, 4497)]