65321640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20161}}^1$

素因数の和:20184

約数の個数: 80

約数和(自身を含む): 219564180

約数和(自身を除く): 154242540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20161, 40322, 60483, 80644, 100805, 120966, 161288, 181449, 201610, 241932, 302415, 362898, 403220, 483864, 544347, 604830, 725796, 806440, 907245, 1088694, 1209660, 1451592, 1633041, 1814490, 2177388, 2419320, 2721735, 3266082, 3628980, 4354776, 5443470, 6532164, 7257960, 8165205, 10886940, 13064328, 16330410, 21773880, 32660820, 65321640]

約数ペア:

[(1, 65321640), (2, 32660820), (3, 21773880), (4, 16330410), (5, 13064328), (6, 10886940), (8, 8165205), (9, 7257960), (10, 6532164), (12, 5443470), (15, 4354776), (18, 3628980), (20, 3266082), (24, 2721735), (27, 2419320), (30, 2177388), (36, 1814490), (40, 1633041), (45, 1451592), (54, 1209660), (60, 1088694), (72, 907245), (81, 806440), (90, 725796), (108, 604830), (120, 544347), (135, 483864), (162, 403220), (180, 362898), (216, 302415), (270, 241932), (324, 201610), (360, 181449), (405, 161288), (540, 120966), (648, 100805), (810, 80644), (1080, 60483), (1620, 40322), (3240, 20161)]