678335955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 1343692800

約数和(自身を除く): 665356845

約数列:

[1, 3, 5, 11, 15, 17, 29, 31, 33, 51, 55, 85, 87, 93, 145, 155, 165, 187, 255, 269, 319, 341, 435, 465, 493, 527, 561, 807, 899, 935, 957, 1023, 1345, 1479, 1581, 1595, 1705, 2465, 2635, 2697, 2805, 2959, 4035, 4495, 4573, 4785, 5115, 5423, 5797, 7395, 7801, 7905, 8339, 8877, 9889, 13485, 13719, 14795, 15283, 16269, 17391, 22865, 23403, 25017, 27115, 28985, 29667, 39005, 41695, 44385, 45849, 49445, 50303, 68595, 76415, 81345, 85811, 86955, 91729, 117015, 125085, 132617, 141763, 148335, 150909, 168113, 229245, 241831, 251515, 257433, 275187, 397851, 425289, 429055, 458645, 504339, 663085, 708815, 725493, 754545, 840565, 1209155, 1287165, 1375935, 1458787, 1559393, 1989255, 2126445, 2521695, 2660141, 3627465, 4111127, 4376361, 4678179, 7293935, 7796965, 7980423, 12333381, 13300705, 20555635, 21881805, 23390895, 39902115, 45222397, 61666905, 135667191, 226111985, 678335955]

約数ペア:

[(1, 678335955), (3, 226111985), (5, 135667191), (11, 61666905), (15, 45222397), (17, 39902115), (29, 23390895), (31, 21881805), (33, 20555635), (51, 13300705), (55, 12333381), (85, 7980423), (87, 7796965), (93, 7293935), (145, 4678179), (155, 4376361), (165, 4111127), (187, 3627465), (255, 2660141), (269, 2521695), (319, 2126445), (341, 1989255), (435, 1559393), (465, 1458787), (493, 1375935), (527, 1287165), (561, 1209155), (807, 840565), (899, 754545), (935, 725493), (957, 708815), (1023, 663085), (1345, 504339), (1479, 458645), (1581, 429055), (1595, 425289), (1705, 397851), (2465, 275187), (2635, 257433), (2697, 251515), (2805, 241831), (2959, 229245), (4035, 168113), (4495, 150909), (4573, 148335), (4785, 141763), (5115, 132617), (5423, 125085), (5797, 117015), (7395, 91729), (7801, 86955), (7905, 85811), (8339, 81345), (8877, 76415), (9889, 68595), (13485, 50303), (13719, 49445), (14795, 45849), (15283, 44385), (16269, 41695), (17391, 39005), (22865, 29667), (23403, 28985), (25017, 27115)]