72752800

素因数分解:

$2^5\times 5^2\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:662

約数の個数: 72

約数和(自身を含む): 178863552

約数和(自身を除く): 106110752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 211, 400, 422, 431, 800, 844, 862, 1055, 1688, 1724, 2110, 2155, 3376, 3448, 4220, 4310, 5275, 6752, 6896, 8440, 8620, 10550, 10775, 13792, 16880, 17240, 21100, 21550, 33760, 34480, 42200, 43100, 68960, 84400, 86200, 90941, 168800, 172400, 181882, 344800, 363764, 454705, 727528, 909410, 1455056, 1818820, 2273525, 2910112, 3637640, 4547050, 7275280, 9094100, 14550560, 18188200, 36376400, 72752800]

約数ペア:

[(1, 72752800), (2, 36376400), (4, 18188200), (5, 14550560), (8, 9094100), (10, 7275280), (16, 4547050), (20, 3637640), (25, 2910112), (32, 2273525), (40, 1818820), (50, 1455056), (80, 909410), (100, 727528), (160, 454705), (200, 363764), (211, 344800), (400, 181882), (422, 172400), (431, 168800), (800, 90941), (844, 86200), (862, 84400), (1055, 68960), (1688, 43100), (1724, 42200), (2110, 34480), (2155, 33760), (3376, 21550), (3448, 21100), (4220, 17240), (4310, 16880), (5275, 13792), (6752, 10775), (6896, 10550), (8440, 8620)]