128577708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 389509120

約数和(自身を除く): 260931412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 109, 124, 126, 151, 186, 217, 218, 252, 279, 302, 327, 372, 434, 436, 453, 558, 604, 651, 654, 763, 868, 906, 981, 1057, 1116, 1302, 1308, 1359, 1526, 1812, 1953, 1962, 2114, 2289, 2604, 2718, 3052, 3171, 3379, 3906, 3924, 4228, 4578, 4681, 5436, 6342, 6758, 6867, 7812, 9156, 9362, 9513, 10137, 12684, 13516, 13734, 14043, 16459, 18724, 19026, 20274, 23653, 27468, 28086, 30411, 32767, 32918, 38052, 40548, 42129, 47306, 49377, 56172, 60822, 65534, 65836, 70959, 84258, 94612, 98301, 98754, 115213, 121644, 131068, 141918, 148131, 168516, 196602, 197508, 212877, 230426, 283836, 294903, 296262, 345639, 393204, 425754, 460852, 510229, 589806, 592524, 691278, 851508, 1020458, 1036917, 1179612, 1382556, 1530687, 2040916, 2073834, 3061374, 3571603, 4147668, 4592061, 6122748, 7143206, 9184122, 10714809, 14286412, 18368244, 21429618, 32144427, 42859236, 64288854, 128577708]

約数ペア:

[(1, 128577708), (2, 64288854), (3, 42859236), (4, 32144427), (6, 21429618), (7, 18368244), (9, 14286412), (12, 10714809), (14, 9184122), (18, 7143206), (21, 6122748), (28, 4592061), (31, 4147668), (36, 3571603), (42, 3061374), (62, 2073834), (63, 2040916), (84, 1530687), (93, 1382556), (109, 1179612), (124, 1036917), (126, 1020458), (151, 851508), (186, 691278), (217, 592524), (218, 589806), (252, 510229), (279, 460852), (302, 425754), (327, 393204), (372, 345639), (434, 296262), (436, 294903), (453, 283836), (558, 230426), (604, 212877), (651, 197508), (654, 196602), (763, 168516), (868, 148131), (906, 141918), (981, 131068), (1057, 121644), (1116, 115213), (1302, 98754), (1308, 98301), (1359, 94612), (1526, 84258), (1812, 70959), (1953, 65836), (1962, 65534), (2114, 60822), (2289, 56172), (2604, 49377), (2718, 47306), (3052, 42129), (3171, 40548), (3379, 38052), (3906, 32918), (3924, 32767), (4228, 30411), (4578, 28086), (4681, 27468), (5436, 23653), (6342, 20274), (6758, 19026), (6867, 18724), (7812, 16459), (9156, 14043), (9362, 13734), (9513, 13516), (10137, 12684)]