1897648740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{810961}}^1$

素因数の和:810989

約数の個数: 72

約数和(自身を含む): 6198993528

約数和(自身を除く): 4301344788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 810961, 1621922, 2432883, 3243844, 4054805, 4865766, 7298649, 8109610, 9731532, 10542493, 12164415, 14597298, 16219220, 21084986, 24328830, 29194596, 31627479, 36493245, 42169972, 48657660, 52712465, 63254958, 72986490, 94882437, 105424930, 126509916, 145972980, 158137395, 189764874, 210849860, 316274790, 379529748, 474412185, 632549580, 948824370, 1897648740]

約数ペア:

[(1, 1897648740), (2, 948824370), (3, 632549580), (4, 474412185), (5, 379529748), (6, 316274790), (9, 210849860), (10, 189764874), (12, 158137395), (13, 145972980), (15, 126509916), (18, 105424930), (20, 94882437), (26, 72986490), (30, 63254958), (36, 52712465), (39, 48657660), (45, 42169972), (52, 36493245), (60, 31627479), (65, 29194596), (78, 24328830), (90, 21084986), (117, 16219220), (130, 14597298), (156, 12164415), (180, 10542493), (195, 9731532), (234, 8109610), (260, 7298649), (390, 4865766), (468, 4054805), (585, 3243844), (780, 2432883), (1170, 1621922), (2340, 810961)]