1812689640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70919}}^1$

素因数の和:71007

約数の個数: 96

約数和(自身を含む): 5974300800

約数和(自身を除く): 4161611160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 355, 360, 426, 568, 639, 710, 852, 1065, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 4260, 5112, 6390, 8520, 12780, 25560, 70919, 141838, 212757, 283676, 354595, 425514, 567352, 638271, 709190, 851028, 1063785, 1276542, 1418380, 1702056, 2127570, 2553084, 2836760, 3191355, 4255140, 5035249, 5106168, 6382710, 8510280, 10070498, 12765420, 15105747, 20140996, 25176245, 25530840, 30211494, 40281992, 45317241, 50352490, 60422988, 75528735, 90634482, 100704980, 120845976, 151057470, 181268964, 201409960, 226586205, 302114940, 362537928, 453172410, 604229880, 906344820, 1812689640]

約数ペア:

[(1, 1812689640), (2, 906344820), (3, 604229880), (4, 453172410), (5, 362537928), (6, 302114940), (8, 226586205), (9, 201409960), (10, 181268964), (12, 151057470), (15, 120845976), (18, 100704980), (20, 90634482), (24, 75528735), (30, 60422988), (36, 50352490), (40, 45317241), (45, 40281992), (60, 30211494), (71, 25530840), (72, 25176245), (90, 20140996), (120, 15105747), (142, 12765420), (180, 10070498), (213, 8510280), (284, 6382710), (355, 5106168), (360, 5035249), (426, 4255140), (568, 3191355), (639, 2836760), (710, 2553084), (852, 2127570), (1065, 1702056), (1278, 1418380), (1420, 1276542), (1704, 1063785), (2130, 851028), (2556, 709190), (2840, 638271), (3195, 567352), (4260, 425514), (5112, 354595), (6390, 283676), (8520, 212757), (12780, 141838), (25560, 70919)]