641623415200

素因数分解:

$2^5\times 5^2\times {\mathrm{239}}^1\times {\mathrm{419}}^1\times {\mathrm{8009}}^1$

素因数の和:8687

約数の個数: 144

約数和(自身を含む): 1576867824000

約数和(自身を除く): 935244408800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 239, 400, 419, 478, 800, 838, 956, 1195, 1676, 1912, 2095, 2390, 3352, 3824, 4190, 4780, 5975, 6704, 7648, 8009, 8380, 9560, 10475, 11950, 13408, 16018, 16760, 19120, 20950, 23900, 32036, 33520, 38240, 40045, 41900, 47800, 64072, 67040, 80090, 83800, 95600, 100141, 128144, 160180, 167600, 191200, 200225, 200282, 256288, 320360, 335200, 400450, 400564, 500705, 640720, 800900, 801128, 1001410, 1281440, 1601800, 1602256, 1914151, 2002820, 2503525, 3203600, 3204512, 3355771, 3828302, 4005640, 5007050, 6407200, 6711542, 7656604, 8011280, 9570755, 10014100, 13423084, 15313208, 16022560, 16778855, 19141510, 20028200, 26846168, 30626416, 33557710, 38283020, 40056400, 47853775, 53692336, 61252832, 67115420, 76566040, 80112800, 83894275, 95707550, 107384672, 134230840, 153132080, 167788550, 191415100, 268461680, 306264160, 335577100, 382830200, 536923360, 671154200, 765660400, 802029269, 1342308400, 1531320800, 1604058538, 2684616800, 3208117076, 4010146345, 6416234152, 8020292690, 12832468304, 16040585380, 20050731725, 25664936608, 32081170760, 40101463450, 64162341520, 80202926900, 128324683040, 160405853800, 320811707600, 641623415200]

約数ペア:

[(1, 641623415200), (2, 320811707600), (4, 160405853800), (5, 128324683040), (8, 80202926900), (10, 64162341520), (16, 40101463450), (20, 32081170760), (25, 25664936608), (32, 20050731725), (40, 16040585380), (50, 12832468304), (80, 8020292690), (100, 6416234152), (160, 4010146345), (200, 3208117076), (239, 2684616800), (400, 1604058538), (419, 1531320800), (478, 1342308400), (800, 802029269), (838, 765660400), (956, 671154200), (1195, 536923360), (1676, 382830200), (1912, 335577100), (2095, 306264160), (2390, 268461680), (3352, 191415100), (3824, 167788550), (4190, 153132080), (4780, 134230840), (5975, 107384672), (6704, 95707550), (7648, 83894275), (8009, 80112800), (8380, 76566040), (9560, 67115420), (10475, 61252832), (11950, 53692336), (13408, 47853775), (16018, 40056400), (16760, 38283020), (19120, 33557710), (20950, 30626416), (23900, 26846168), (32036, 20028200), (33520, 19141510), (38240, 16778855), (40045, 16022560), (41900, 15313208), (47800, 13423084), (64072, 10014100), (67040, 9570755), (80090, 8011280), (83800, 7656604), (95600, 6711542), (100141, 6407200), (128144, 5007050), (160180, 4005640), (167600, 3828302), (191200, 3355771), (200225, 3204512), (200282, 3203600), (256288, 2503525), (320360, 2002820), (335200, 1914151), (400450, 1602256), (400564, 1601800), (500705, 1281440), (640720, 1001410), (800900, 801128)]