256844800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 132

約数和(自身を含む): 649799680

約数和(自身を除く): 392954880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 127, 128, 158, 160, 200, 254, 256, 316, 320, 395, 400, 508, 512, 632, 635, 640, 790, 800, 1016, 1024, 1264, 1270, 1280, 1580, 1600, 1975, 2032, 2528, 2540, 2560, 3160, 3175, 3200, 3950, 4064, 5056, 5080, 5120, 6320, 6350, 6400, 7900, 8128, 10033, 10112, 10160, 12640, 12700, 12800, 15800, 16256, 20066, 20224, 20320, 25280, 25400, 25600, 31600, 32512, 40132, 40448, 40640, 50165, 50560, 50800, 63200, 65024, 80264, 80896, 81280, 100330, 101120, 101600, 126400, 130048, 160528, 162560, 200660, 202240, 203200, 250825, 252800, 321056, 325120, 401320, 404480, 406400, 501650, 505600, 642112, 650240, 802640, 812800, 1003300, 1011200, 1284224, 1605280, 1625600, 2006600, 2022400, 2568448, 3210560, 3251200, 4013200, 5136896, 6421120, 8026400, 10273792, 12842240, 16052800, 25684480, 32105600, 51368960, 64211200, 128422400, 256844800]

約数ペア:

[(1, 256844800), (2, 128422400), (4, 64211200), (5, 51368960), (8, 32105600), (10, 25684480), (16, 16052800), (20, 12842240), (25, 10273792), (32, 8026400), (40, 6421120), (50, 5136896), (64, 4013200), (79, 3251200), (80, 3210560), (100, 2568448), (127, 2022400), (128, 2006600), (158, 1625600), (160, 1605280), (200, 1284224), (254, 1011200), (256, 1003300), (316, 812800), (320, 802640), (395, 650240), (400, 642112), (508, 505600), (512, 501650), (632, 406400), (635, 404480), (640, 401320), (790, 325120), (800, 321056), (1016, 252800), (1024, 250825), (1264, 203200), (1270, 202240), (1280, 200660), (1580, 162560), (1600, 160528), (1975, 130048), (2032, 126400), (2528, 101600), (2540, 101120), (2560, 100330), (3160, 81280), (3175, 80896), (3200, 80264), (3950, 65024), (4064, 63200), (5056, 50800), (5080, 50560), (5120, 50165), (6320, 40640), (6350, 40448), (6400, 40132), (7900, 32512), (8128, 31600), (10033, 25600), (10112, 25400), (10160, 25280), (12640, 20320), (12700, 20224), (12800, 20066), (15800, 16256)]