91521280

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 221340672

約数和(自身を除く): 129819392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 563, 635, 640, 1016, 1126, 1270, 1280, 2032, 2252, 2540, 2815, 4064, 4504, 5080, 5630, 8128, 9008, 10160, 11260, 16256, 18016, 20320, 22520, 32512, 36032, 40640, 45040, 71501, 72064, 81280, 90080, 143002, 144128, 162560, 180160, 286004, 357505, 360320, 572008, 715010, 720640, 1144016, 1430020, 2288032, 2860040, 4576064, 5720080, 9152128, 11440160, 18304256, 22880320, 45760640, 91521280]

約数ペア:

[(1, 91521280), (2, 45760640), (4, 22880320), (5, 18304256), (8, 11440160), (10, 9152128), (16, 5720080), (20, 4576064), (32, 2860040), (40, 2288032), (64, 1430020), (80, 1144016), (127, 720640), (128, 715010), (160, 572008), (254, 360320), (256, 357505), (320, 286004), (508, 180160), (563, 162560), (635, 144128), (640, 143002), (1016, 90080), (1126, 81280), (1270, 72064), (1280, 71501), (2032, 45040), (2252, 40640), (2540, 36032), (2815, 32512), (4064, 22520), (4504, 20320), (5080, 18016), (5630, 16256), (8128, 11260), (9008, 10160)]