66964380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22777}}^1$

素因数の和:22803

約数の個数: 72

約数和(自身を含む): 218122128

約数和(自身を除く): 151157748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22777, 45554, 68331, 91108, 113885, 136662, 159439, 227770, 273324, 318878, 341655, 455540, 478317, 637756, 683310, 797195, 956634, 1116073, 1366620, 1594390, 1913268, 2232146, 2391585, 3188780, 3348219, 4464292, 4783170, 5580365, 6696438, 9566340, 11160730, 13392876, 16741095, 22321460, 33482190, 66964380]

約数ペア:

[(1, 66964380), (2, 33482190), (3, 22321460), (4, 16741095), (5, 13392876), (6, 11160730), (7, 9566340), (10, 6696438), (12, 5580365), (14, 4783170), (15, 4464292), (20, 3348219), (21, 3188780), (28, 2391585), (30, 2232146), (35, 1913268), (42, 1594390), (49, 1366620), (60, 1116073), (70, 956634), (84, 797195), (98, 683310), (105, 637756), (140, 478317), (147, 455540), (196, 341655), (210, 318878), (245, 273324), (294, 227770), (420, 159439), (490, 136662), (588, 113885), (735, 91108), (980, 68331), (1470, 45554), (2940, 22777)]