78528870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17807}}^1$

素因数の和:17834

約数の個数: 72

約数和(自身を含む): 237523104

約数和(自身を除く): 158994234

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 17807, 35614, 53421, 89035, 106842, 124649, 160263, 178070, 249298, 267105, 320526, 373947, 534210, 623245, 747894, 801315, 872543, 1121841, 1246490, 1602630, 1745086, 1869735, 2243682, 2617629, 3739470, 4362715, 5235258, 5609205, 7852887, 8725430, 11218410, 13088145, 15705774, 26176290, 39264435, 78528870]

約数ペア:

[(1, 78528870), (2, 39264435), (3, 26176290), (5, 15705774), (6, 13088145), (7, 11218410), (9, 8725430), (10, 7852887), (14, 5609205), (15, 5235258), (18, 4362715), (21, 3739470), (30, 2617629), (35, 2243682), (42, 1869735), (45, 1745086), (49, 1602630), (63, 1246490), (70, 1121841), (90, 872543), (98, 801315), (105, 747894), (126, 623245), (147, 534210), (210, 373947), (245, 320526), (294, 267105), (315, 249298), (441, 178070), (490, 160263), (630, 124649), (735, 106842), (882, 89035), (1470, 53421), (2205, 35614), (4410, 17807)]