203281280

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 509967360

約数和(自身を除く): 306686080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 61, 64, 80, 82, 122, 127, 128, 160, 164, 205, 244, 254, 305, 320, 328, 410, 488, 508, 610, 635, 640, 656, 820, 976, 1016, 1220, 1270, 1312, 1640, 1952, 2032, 2440, 2501, 2540, 2624, 3280, 3904, 4064, 4880, 5002, 5080, 5207, 5248, 6560, 7747, 7808, 8128, 9760, 10004, 10160, 10414, 12505, 13120, 15494, 16256, 19520, 20008, 20320, 20828, 25010, 26035, 26240, 30988, 38735, 39040, 40016, 40640, 41656, 50020, 52070, 61976, 77470, 80032, 81280, 83312, 100040, 104140, 123952, 154940, 160064, 166624, 200080, 208280, 247904, 309880, 317627, 320128, 333248, 400160, 416560, 495808, 619760, 635254, 666496, 800320, 833120, 991616, 1239520, 1270508, 1588135, 1600640, 1666240, 2479040, 2541016, 3176270, 3332480, 4958080, 5082032, 6352540, 10164064, 12705080, 20328128, 25410160, 40656256, 50820320, 101640640, 203281280]

約数ペア:

[(1, 203281280), (2, 101640640), (4, 50820320), (5, 40656256), (8, 25410160), (10, 20328128), (16, 12705080), (20, 10164064), (32, 6352540), (40, 5082032), (41, 4958080), (61, 3332480), (64, 3176270), (80, 2541016), (82, 2479040), (122, 1666240), (127, 1600640), (128, 1588135), (160, 1270508), (164, 1239520), (205, 991616), (244, 833120), (254, 800320), (305, 666496), (320, 635254), (328, 619760), (410, 495808), (488, 416560), (508, 400160), (610, 333248), (635, 320128), (640, 317627), (656, 309880), (820, 247904), (976, 208280), (1016, 200080), (1220, 166624), (1270, 160064), (1312, 154940), (1640, 123952), (1952, 104140), (2032, 100040), (2440, 83312), (2501, 81280), (2540, 80032), (2624, 77470), (3280, 61976), (3904, 52070), (4064, 50020), (4880, 41656), (5002, 40640), (5080, 40016), (5207, 39040), (5248, 38735), (6560, 30988), (7747, 26240), (7808, 26035), (8128, 25010), (9760, 20828), (10004, 20320), (10160, 20008), (10414, 19520), (12505, 16256), (13120, 15494)]