861940590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1914

約数の個数: 128

約数和(自身を含む): 2466173952

約数和(自身を除く): 1604233362

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 53, 70, 86, 105, 106, 129, 159, 210, 215, 258, 265, 301, 318, 371, 430, 530, 602, 645, 742, 795, 903, 1113, 1290, 1505, 1590, 1801, 1806, 1855, 2226, 2279, 3010, 3602, 3710, 4515, 4558, 5403, 5565, 6837, 9005, 9030, 10806, 11130, 11395, 12607, 13674, 15953, 18010, 22790, 25214, 27015, 31906, 34185, 37821, 47859, 54030, 63035, 68370, 75642, 77443, 79765, 95453, 95718, 126070, 154886, 159530, 189105, 190906, 232329, 239295, 286359, 378210, 387215, 464658, 477265, 478590, 542101, 572718, 668171, 774430, 954530, 1084202, 1161645, 1336342, 1431795, 1626303, 2004513, 2323290, 2710505, 2863590, 3252606, 3340855, 4009026, 4104479, 5421010, 6681710, 8131515, 8208958, 10022565, 12313437, 16263030, 20045130, 20522395, 24626874, 28731353, 41044790, 57462706, 61567185, 86194059, 123134370, 143656765, 172388118, 287313530, 430970295, 861940590]

約数ペア:

[(1, 861940590), (2, 430970295), (3, 287313530), (5, 172388118), (6, 143656765), (7, 123134370), (10, 86194059), (14, 61567185), (15, 57462706), (21, 41044790), (30, 28731353), (35, 24626874), (42, 20522395), (43, 20045130), (53, 16263030), (70, 12313437), (86, 10022565), (105, 8208958), (106, 8131515), (129, 6681710), (159, 5421010), (210, 4104479), (215, 4009026), (258, 3340855), (265, 3252606), (301, 2863590), (318, 2710505), (371, 2323290), (430, 2004513), (530, 1626303), (602, 1431795), (645, 1336342), (742, 1161645), (795, 1084202), (903, 954530), (1113, 774430), (1290, 668171), (1505, 572718), (1590, 542101), (1801, 478590), (1806, 477265), (1855, 464658), (2226, 387215), (2279, 378210), (3010, 286359), (3602, 239295), (3710, 232329), (4515, 190906), (4558, 189105), (5403, 159530), (5565, 154886), (6837, 126070), (9005, 95718), (9030, 95453), (10806, 79765), (11130, 77443), (11395, 75642), (12607, 68370), (13674, 63035), (15953, 54030), (18010, 47859), (22790, 37821), (25214, 34185), (27015, 31906)]