205916580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7477}}^1$

素因数の和:7515

約数の個数: 120

約数和(自身を含む): 684057528

約数和(自身を除く): 478140948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2754, 3060, 4590, 5508, 6885, 7477, 9180, 13770, 14954, 22431, 27540, 29908, 37385, 44862, 67293, 74770, 89724, 112155, 127109, 134586, 149540, 201879, 224310, 254218, 269172, 336465, 381327, 403758, 448620, 508436, 605637, 635545, 672930, 762654, 807516, 1009395, 1143981, 1211274, 1271090, 1345860, 1525308, 1906635, 2018790, 2287962, 2422548, 2542180, 3028185, 3431943, 3813270, 4037580, 4575924, 5719905, 6056370, 6863886, 7626540, 10295829, 11439810, 12112740, 13727772, 17159715, 20591658, 22879620, 34319430, 41183316, 51479145, 68638860, 102958290, 205916580]

約数ペア:

[(1, 205916580), (2, 102958290), (3, 68638860), (4, 51479145), (5, 41183316), (6, 34319430), (9, 22879620), (10, 20591658), (12, 17159715), (15, 13727772), (17, 12112740), (18, 11439810), (20, 10295829), (27, 7626540), (30, 6863886), (34, 6056370), (36, 5719905), (45, 4575924), (51, 4037580), (54, 3813270), (60, 3431943), (68, 3028185), (81, 2542180), (85, 2422548), (90, 2287962), (102, 2018790), (108, 1906635), (135, 1525308), (153, 1345860), (162, 1271090), (170, 1211274), (180, 1143981), (204, 1009395), (255, 807516), (270, 762654), (306, 672930), (324, 635545), (340, 605637), (405, 508436), (459, 448620), (510, 403758), (540, 381327), (612, 336465), (765, 269172), (810, 254218), (918, 224310), (1020, 201879), (1377, 149540), (1530, 134586), (1620, 127109), (1836, 112155), (2295, 89724), (2754, 74770), (3060, 67293), (4590, 44862), (5508, 37385), (6885, 29908), (7477, 27540), (9180, 22431), (13770, 14954)]