831666780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{660053}}^1$

素因数の和:660075

約数の個数: 72

約数和(自身を含む): 2883115872

約数和(自身を除く): 2051449092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 660053, 1320106, 1980159, 2640212, 3300265, 3960318, 4620371, 5940477, 6600530, 7920636, 9240742, 9900795, 11880954, 13201060, 13861113, 18481484, 19801590, 23101855, 23761908, 27722226, 29702385, 39603180, 41583339, 46203710, 55444452, 59404770, 69305565, 83166678, 92407420, 118809540, 138611130, 166333356, 207916695, 277222260, 415833390, 831666780]

約数ペア:

[(1, 831666780), (2, 415833390), (3, 277222260), (4, 207916695), (5, 166333356), (6, 138611130), (7, 118809540), (9, 92407420), (10, 83166678), (12, 69305565), (14, 59404770), (15, 55444452), (18, 46203710), (20, 41583339), (21, 39603180), (28, 29702385), (30, 27722226), (35, 23761908), (36, 23101855), (42, 19801590), (45, 18481484), (60, 13861113), (63, 13201060), (70, 11880954), (84, 9900795), (90, 9240742), (105, 7920636), (126, 6600530), (140, 5940477), (180, 4620371), (210, 3960318), (252, 3300265), (315, 2640212), (420, 1980159), (630, 1320106), (1260, 660053)]