920453640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{557}}^1$

素因数の和:911

約数の個数: 128

約数和(自身を含む): 2834818560

約数和(自身を除く): 1914364920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 293, 376, 470, 557, 564, 586, 705, 879, 940, 1114, 1128, 1172, 1410, 1465, 1671, 1758, 1880, 2228, 2344, 2785, 2820, 2930, 3342, 3516, 4395, 4456, 5570, 5640, 5860, 6684, 7032, 8355, 8790, 11140, 11720, 13368, 13771, 16710, 17580, 22280, 26179, 27542, 33420, 35160, 41313, 52358, 55084, 66840, 68855, 78537, 82626, 104716, 110168, 130895, 137710, 157074, 163201, 165252, 206565, 209432, 261790, 275420, 314148, 326402, 330504, 392685, 413130, 489603, 523580, 550840, 628296, 652804, 785370, 816005, 826260, 979206, 1047160, 1305608, 1570740, 1632010, 1652520, 1958412, 2448015, 3141480, 3264020, 3916824, 4896030, 6528040, 7670447, 9792060, 15340894, 19584120, 23011341, 30681788, 38352235, 46022682, 61363576, 76704470, 92045364, 115056705, 153408940, 184090728, 230113410, 306817880, 460226820, 920453640]

約数ペア:

[(1, 920453640), (2, 460226820), (3, 306817880), (4, 230113410), (5, 184090728), (6, 153408940), (8, 115056705), (10, 92045364), (12, 76704470), (15, 61363576), (20, 46022682), (24, 38352235), (30, 30681788), (40, 23011341), (47, 19584120), (60, 15340894), (94, 9792060), (120, 7670447), (141, 6528040), (188, 4896030), (235, 3916824), (282, 3264020), (293, 3141480), (376, 2448015), (470, 1958412), (557, 1652520), (564, 1632010), (586, 1570740), (705, 1305608), (879, 1047160), (940, 979206), (1114, 826260), (1128, 816005), (1172, 785370), (1410, 652804), (1465, 628296), (1671, 550840), (1758, 523580), (1880, 489603), (2228, 413130), (2344, 392685), (2785, 330504), (2820, 326402), (2930, 314148), (3342, 275420), (3516, 261790), (4395, 209432), (4456, 206565), (5570, 165252), (5640, 163201), (5860, 157074), (6684, 137710), (7032, 130895), (8355, 110168), (8790, 104716), (11140, 82626), (11720, 78537), (13368, 68855), (13771, 66840), (16710, 55084), (17580, 52358), (22280, 41313), (26179, 35160), (27542, 33420)]