28720044160

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{1543}}^1$

素因数の和:1918

約数の個数: 128

約数和(自身を含む): 69546700800

約数和(自身を除く): 40826656640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 229, 254, 320, 458, 508, 635, 640, 916, 1016, 1145, 1270, 1543, 1832, 2032, 2290, 2540, 3086, 3664, 4064, 4580, 5080, 6172, 7328, 7715, 8128, 9160, 10160, 12344, 14656, 15430, 16256, 18320, 20320, 24688, 29083, 29312, 30860, 36640, 40640, 49376, 58166, 61720, 73280, 81280, 98752, 116332, 123440, 145415, 146560, 195961, 197504, 232664, 246880, 290830, 353347, 391922, 465328, 493760, 581660, 706694, 783844, 930656, 979805, 987520, 1163320, 1413388, 1567688, 1766735, 1861312, 1959610, 2326640, 2826776, 3135376, 3533470, 3722624, 3919220, 4653280, 5653552, 6270752, 7066940, 7838440, 9306560, 11307104, 12541504, 14133880, 15676880, 18613120, 22614208, 25083008, 28267760, 31353760, 44875069, 45228416, 56535520, 62707520, 89750138, 113071040, 125415040, 179500276, 224375345, 226142080, 359000552, 448750690, 718001104, 897501380, 1436002208, 1795002760, 2872004416, 3590005520, 5744008832, 7180011040, 14360022080, 28720044160]

約数ペア:

[(1, 28720044160), (2, 14360022080), (4, 7180011040), (5, 5744008832), (8, 3590005520), (10, 2872004416), (16, 1795002760), (20, 1436002208), (32, 897501380), (40, 718001104), (64, 448750690), (80, 359000552), (127, 226142080), (128, 224375345), (160, 179500276), (229, 125415040), (254, 113071040), (320, 89750138), (458, 62707520), (508, 56535520), (635, 45228416), (640, 44875069), (916, 31353760), (1016, 28267760), (1145, 25083008), (1270, 22614208), (1543, 18613120), (1832, 15676880), (2032, 14133880), (2290, 12541504), (2540, 11307104), (3086, 9306560), (3664, 7838440), (4064, 7066940), (4580, 6270752), (5080, 5653552), (6172, 4653280), (7328, 3919220), (7715, 3722624), (8128, 3533470), (9160, 3135376), (10160, 2826776), (12344, 2326640), (14656, 1959610), (15430, 1861312), (16256, 1766735), (18320, 1567688), (20320, 1413388), (24688, 1163320), (29083, 987520), (29312, 979805), (30860, 930656), (36640, 783844), (40640, 706694), (49376, 581660), (58166, 493760), (61720, 465328), (73280, 391922), (81280, 353347), (98752, 290830), (116332, 246880), (123440, 232664), (145415, 197504), (146560, 195961)]