64840730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 128770560

約数和(自身を除く): 63929830

約数列:

[1, 2, 5, 10, 19, 38, 47, 53, 94, 95, 106, 137, 190, 235, 265, 274, 470, 530, 685, 893, 1007, 1370, 1786, 2014, 2491, 2603, 4465, 4982, 5035, 5206, 6439, 7261, 8930, 10070, 12455, 12878, 13015, 14522, 24910, 26030, 32195, 36305, 47329, 64390, 72610, 94658, 122341, 137959, 236645, 244682, 275918, 341267, 473290, 611705, 682534, 689795, 1223410, 1379590, 1706335, 3412670, 6484073, 12968146, 32420365, 64840730]

約数ペア:

[(1, 64840730), (2, 32420365), (5, 12968146), (10, 6484073), (19, 3412670), (38, 1706335), (47, 1379590), (53, 1223410), (94, 689795), (95, 682534), (106, 611705), (137, 473290), (190, 341267), (235, 275918), (265, 244682), (274, 236645), (470, 137959), (530, 122341), (685, 94658), (893, 72610), (1007, 64390), (1370, 47329), (1786, 36305), (2014, 32195), (2491, 26030), (2603, 24910), (4465, 14522), (4982, 13015), (5035, 12878), (5206, 12455), (6439, 10070), (7261, 8930)]