66655980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 225348480

約数和(自身を除く): 158692500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 53, 54, 60, 68, 85, 90, 102, 106, 108, 135, 137, 153, 159, 170, 180, 204, 212, 255, 265, 270, 274, 306, 318, 340, 411, 459, 477, 510, 530, 540, 548, 612, 636, 685, 765, 795, 822, 901, 918, 954, 1020, 1060, 1233, 1370, 1431, 1530, 1590, 1644, 1802, 1836, 1908, 2055, 2295, 2329, 2385, 2466, 2703, 2740, 2862, 3060, 3180, 3604, 3699, 4110, 4505, 4590, 4658, 4770, 4932, 5406, 5724, 6165, 6987, 7155, 7261, 7398, 8109, 8220, 9010, 9180, 9316, 9540, 10812, 11645, 12330, 13515, 13974, 14310, 14522, 14796, 16218, 18020, 18495, 20961, 21783, 23290, 24327, 24660, 27030, 27948, 28620, 29044, 32436, 34935, 36305, 36990, 40545, 41922, 43566, 46580, 48654, 54060, 62883, 65349, 69870, 72610, 73980, 81090, 83844, 87132, 97308, 104805, 108915, 121635, 123437, 125766, 130698, 139740, 145220, 162180, 196047, 209610, 217830, 243270, 246874, 251532, 261396, 314415, 326745, 370311, 392094, 419220, 435660, 486540, 493748, 617185, 628830, 653490, 740622, 784188, 980235, 1110933, 1234370, 1257660, 1306980, 1481244, 1851555, 1960470, 2221866, 2468740, 3332799, 3703110, 3920940, 4443732, 5554665, 6665598, 7406220, 11109330, 13331196, 16663995, 22218660, 33327990, 66655980]

約数ペア:

[(1, 66655980), (2, 33327990), (3, 22218660), (4, 16663995), (5, 13331196), (6, 11109330), (9, 7406220), (10, 6665598), (12, 5554665), (15, 4443732), (17, 3920940), (18, 3703110), (20, 3332799), (27, 2468740), (30, 2221866), (34, 1960470), (36, 1851555), (45, 1481244), (51, 1306980), (53, 1257660), (54, 1234370), (60, 1110933), (68, 980235), (85, 784188), (90, 740622), (102, 653490), (106, 628830), (108, 617185), (135, 493748), (137, 486540), (153, 435660), (159, 419220), (170, 392094), (180, 370311), (204, 326745), (212, 314415), (255, 261396), (265, 251532), (270, 246874), (274, 243270), (306, 217830), (318, 209610), (340, 196047), (411, 162180), (459, 145220), (477, 139740), (510, 130698), (530, 125766), (540, 123437), (548, 121635), (612, 108915), (636, 104805), (685, 97308), (765, 87132), (795, 83844), (822, 81090), (901, 73980), (918, 72610), (954, 69870), (1020, 65349), (1060, 62883), (1233, 54060), (1370, 48654), (1431, 46580), (1530, 43566), (1590, 41922), (1644, 40545), (1802, 36990), (1836, 36305), (1908, 34935), (2055, 32436), (2295, 29044), (2329, 28620), (2385, 27948), (2466, 27030), (2703, 24660), (2740, 24327), (2862, 23290), (3060, 21783), (3180, 20961), (3604, 18495), (3699, 18020), (4110, 16218), (4505, 14796), (4590, 14522), (4658, 14310), (4770, 13974), (4932, 13515), (5406, 12330), (5724, 11645), (6165, 10812), (6987, 9540), (7155, 9316), (7261, 9180), (7398, 9010), (8109, 8220)]