266988800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3248

約数の個数: 108

約数和(自身を含む): 711894540

約数和(自身を除く): 444905740

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 1040, 1280, 1300, 1600, 1664, 2080, 2600, 3200, 3209, 3328, 4160, 5200, 6400, 6418, 8320, 10400, 12836, 16045, 16640, 20800, 25672, 32090, 41600, 41717, 51344, 64180, 80225, 83200, 83434, 102688, 128360, 160450, 166868, 205376, 208585, 256720, 320900, 333736, 410752, 417170, 513440, 641800, 667472, 821504, 834340, 1026880, 1042925, 1283600, 1334944, 1668680, 2053760, 2085850, 2567200, 2669888, 3337360, 4107520, 4171700, 5134400, 5339776, 6674720, 8343400, 10268800, 10679552, 13349440, 16686800, 20537600, 26698880, 33373600, 53397760, 66747200, 133494400, 266988800]

約数ペア:

[(1, 266988800), (2, 133494400), (4, 66747200), (5, 53397760), (8, 33373600), (10, 26698880), (13, 20537600), (16, 16686800), (20, 13349440), (25, 10679552), (26, 10268800), (32, 8343400), (40, 6674720), (50, 5339776), (52, 5134400), (64, 4171700), (65, 4107520), (80, 3337360), (100, 2669888), (104, 2567200), (128, 2085850), (130, 2053760), (160, 1668680), (200, 1334944), (208, 1283600), (256, 1042925), (260, 1026880), (320, 834340), (325, 821504), (400, 667472), (416, 641800), (520, 513440), (640, 417170), (650, 410752), (800, 333736), (832, 320900), (1040, 256720), (1280, 208585), (1300, 205376), (1600, 166868), (1664, 160450), (2080, 128360), (2600, 102688), (3200, 83434), (3209, 83200), (3328, 80225), (4160, 64180), (5200, 51344), (6400, 41717), (6418, 41600), (8320, 32090), (10400, 25672), (12836, 20800), (16045, 16640)]