665702940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1585007}}^1$

素因数の和:1585026

約数の個数: 48

約数和(自身を含む): 2130250752

約数和(自身を除く): 1464547812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1585007, 3170014, 4755021, 6340028, 7925035, 9510042, 11095049, 15850070, 19020084, 22190098, 23775105, 31700140, 33285147, 44380196, 47550210, 55475245, 66570294, 95100420, 110950490, 133140588, 166425735, 221900980, 332851470, 665702940]

約数ペア:

[(1, 665702940), (2, 332851470), (3, 221900980), (4, 166425735), (5, 133140588), (6, 110950490), (7, 95100420), (10, 66570294), (12, 55475245), (14, 47550210), (15, 44380196), (20, 33285147), (21, 31700140), (28, 23775105), (30, 22190098), (35, 19020084), (42, 15850070), (60, 11095049), (70, 9510042), (84, 7925035), (105, 6340028), (140, 4755021), (210, 3170014), (420, 1585007)]