72488800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 108

約数和(自身を含む): 187511436

約数和(自身を除く): 115022636

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 251, 304, 361, 380, 400, 475, 502, 608, 722, 760, 800, 950, 1004, 1255, 1444, 1520, 1805, 1900, 2008, 2510, 2888, 3040, 3610, 3800, 4016, 4769, 5020, 5776, 6275, 7220, 7600, 8032, 9025, 9538, 10040, 11552, 12550, 14440, 15200, 18050, 19076, 20080, 23845, 25100, 28880, 36100, 38152, 40160, 47690, 50200, 57760, 72200, 76304, 90611, 95380, 100400, 119225, 144400, 152608, 181222, 190760, 200800, 238450, 288800, 362444, 381520, 453055, 476900, 724888, 763040, 906110, 953800, 1449776, 1812220, 1907600, 2265275, 2899552, 3624440, 3815200, 4530550, 7248880, 9061100, 14497760, 18122200, 36244400, 72488800]

約数ペア:

[(1, 72488800), (2, 36244400), (4, 18122200), (5, 14497760), (8, 9061100), (10, 7248880), (16, 4530550), (19, 3815200), (20, 3624440), (25, 2899552), (32, 2265275), (38, 1907600), (40, 1812220), (50, 1449776), (76, 953800), (80, 906110), (95, 763040), (100, 724888), (152, 476900), (160, 453055), (190, 381520), (200, 362444), (251, 288800), (304, 238450), (361, 200800), (380, 190760), (400, 181222), (475, 152608), (502, 144400), (608, 119225), (722, 100400), (760, 95380), (800, 90611), (950, 76304), (1004, 72200), (1255, 57760), (1444, 50200), (1520, 47690), (1805, 40160), (1900, 38152), (2008, 36100), (2510, 28880), (2888, 25100), (3040, 23845), (3610, 20080), (3800, 19076), (4016, 18050), (4769, 15200), (5020, 14440), (5776, 12550), (6275, 11552), (7220, 10040), (7600, 9538), (8032, 9025)]