220132575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 475282080

約数和(自身を除く): 255149505

約数列:

[1, 3, 5, 9, 13, 15, 17, 19, 25, 39, 45, 51, 57, 65, 75, 85, 95, 117, 153, 171, 195, 221, 225, 233, 247, 255, 285, 323, 325, 425, 475, 585, 663, 699, 741, 765, 855, 969, 975, 1105, 1165, 1235, 1275, 1425, 1615, 1989, 2097, 2223, 2907, 2925, 3029, 3315, 3495, 3705, 3825, 3961, 4199, 4275, 4427, 4845, 5525, 5825, 6175, 8075, 9087, 9945, 10485, 11115, 11883, 12597, 13281, 14535, 15145, 16575, 17475, 18525, 19805, 20995, 22135, 24225, 27261, 35649, 37791, 39843, 45435, 49725, 51493, 52425, 55575, 57551, 59415, 62985, 66405, 72675, 75259, 75725, 99025, 104975, 110675, 136305, 154479, 172653, 178245, 188955, 199215, 225777, 227175, 257465, 287755, 297075, 314925, 332025, 376295, 463437, 517959, 677331, 681525, 772395, 863265, 891225, 944775, 978367, 996075, 1128885, 1287325, 1438775, 1881475, 2317185, 2589795, 2935101, 3386655, 3861975, 4316325, 4891835, 5644425, 8805303, 11585925, 12948975, 14675505, 16933275, 24459175, 44026515, 73377525, 220132575]

約数ペア:

[(1, 220132575), (3, 73377525), (5, 44026515), (9, 24459175), (13, 16933275), (15, 14675505), (17, 12948975), (19, 11585925), (25, 8805303), (39, 5644425), (45, 4891835), (51, 4316325), (57, 3861975), (65, 3386655), (75, 2935101), (85, 2589795), (95, 2317185), (117, 1881475), (153, 1438775), (171, 1287325), (195, 1128885), (221, 996075), (225, 978367), (233, 944775), (247, 891225), (255, 863265), (285, 772395), (323, 681525), (325, 677331), (425, 517959), (475, 463437), (585, 376295), (663, 332025), (699, 314925), (741, 297075), (765, 287755), (855, 257465), (969, 227175), (975, 225777), (1105, 199215), (1165, 188955), (1235, 178245), (1275, 172653), (1425, 154479), (1615, 136305), (1989, 110675), (2097, 104975), (2223, 99025), (2907, 75725), (2925, 75259), (3029, 72675), (3315, 66405), (3495, 62985), (3705, 59415), (3825, 57551), (3961, 55575), (4199, 52425), (4275, 51493), (4427, 49725), (4845, 45435), (5525, 39843), (5825, 37791), (6175, 35649), (8075, 27261), (9087, 24225), (9945, 22135), (10485, 20995), (11115, 19805), (11883, 18525), (12597, 17475), (13281, 16575), (14535, 15145)]