64678185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 144930240

約数和(自身を除く): 80252055

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 23, 33, 39, 45, 55, 57, 65, 69, 95, 99, 115, 117, 143, 165, 171, 195, 207, 209, 247, 253, 285, 299, 345, 429, 437, 495, 529, 585, 627, 715, 741, 759, 855, 897, 1035, 1045, 1235, 1265, 1287, 1311, 1495, 1587, 1881, 2145, 2185, 2223, 2277, 2645, 2691, 2717, 3135, 3289, 3705, 3795, 3933, 4485, 4761, 4807, 5681, 5819, 6435, 6555, 6877, 7935, 8151, 9405, 9867, 10051, 11115, 11385, 13455, 13585, 14421, 16445, 17043, 17457, 19665, 20631, 23805, 24035, 24453, 28405, 29095, 29601, 30153, 34385, 40755, 43263, 49335, 50255, 51129, 52371, 61893, 62491, 72105, 75647, 85215, 87285, 90459, 103155, 110561, 122265, 130663, 148005, 150765, 187473, 216315, 226941, 255645, 261855, 309465, 312455, 331683, 378235, 391989, 452295, 552805, 562419, 653315, 680823, 937365, 995049, 1134705, 1175967, 1437293, 1658415, 1959945, 2812095, 3404115, 4311879, 4975245, 5879835, 7186465, 12935637, 21559395, 64678185]

約数ペア:

[(1, 64678185), (3, 21559395), (5, 12935637), (9, 7186465), (11, 5879835), (13, 4975245), (15, 4311879), (19, 3404115), (23, 2812095), (33, 1959945), (39, 1658415), (45, 1437293), (55, 1175967), (57, 1134705), (65, 995049), (69, 937365), (95, 680823), (99, 653315), (115, 562419), (117, 552805), (143, 452295), (165, 391989), (171, 378235), (195, 331683), (207, 312455), (209, 309465), (247, 261855), (253, 255645), (285, 226941), (299, 216315), (345, 187473), (429, 150765), (437, 148005), (495, 130663), (529, 122265), (585, 110561), (627, 103155), (715, 90459), (741, 87285), (759, 85215), (855, 75647), (897, 72105), (1035, 62491), (1045, 61893), (1235, 52371), (1265, 51129), (1287, 50255), (1311, 49335), (1495, 43263), (1587, 40755), (1881, 34385), (2145, 30153), (2185, 29601), (2223, 29095), (2277, 28405), (2645, 24453), (2691, 24035), (2717, 23805), (3135, 20631), (3289, 19665), (3705, 17457), (3795, 17043), (3933, 16445), (4485, 14421), (4761, 13585), (4807, 13455), (5681, 11385), (5819, 11115), (6435, 10051), (6555, 9867), (6877, 9405), (7935, 8151)]